I redid ALL of the write ups (not making the same mistake twice hopefully). I removed Sub-Punch (never used, and pretty bad with Stealth Rock, Substitute, etc), and Special Choice sets, and re-ordered the sets. I also split up the Mixed Sweepers a bit (special oriented, and physical oriented).
www.smogon.com/dp/pokemon/magby
[SET]
name: Mixed Priority Sweeper
move 1: Flare Blitz
move 2: Mach Punch
move 3: ThunderPunch
move 4: Overheat / Hidden Power Grass / Brick Break
item: Life Orb
nature: Hasty
evs: 240 Atk / 252 Spe
[SET COMMENTS]
<p>Magby has all of the right tools to be a top-notch sweeper in the Little Cup metagame, and this set takes advantage of them all. Flare Blitz coming off of 17 Attack is pretty scary, especially when it's carrying a Life Orb and has 19 Speed. With Houndour being around however, Magby can take advantage of its priority move, Mach Punch, which easily KOes Houndour while avoiding Sucker Punch. Priority is a godsend in Little Cup, because 40 Base Power is usually enough to finish off any fast and frail foe after only taking minor damage. Magby is also gifted with ThunderPunch, a great tool to rid the battle of Water-types who may switch in, especially Pokemon like Mantyke, Slowpoke, and Kabuto, who will usually be your opponent's first line of defense for Fire-type attacks. With these ttacks, Magby can OHKO a majority of the metagame, while being able 2HKO even the most sturdy walls such as Munchlax (the Leftovers variant) who is 2HKOed by Flare Blitz as long as Stealth Rock is on the field. Beware of Flare Blitz recoil when you use this set, as it can be deadly for Magby after even two uses.</p>
<p>The last slot is pretty flexible, however Overheat is recommended for its sheer power. With a solid 13 Special Attack stat, a STAB Overheat is still strong enough to OHKO major threats such as Gligar, who could otherwise survive any of Magby's physical attacks, even Flare Blitz. Brick Break is an option to hit Munchlax for the guaranteed OHKO, however that leaves Magby open to Gligar. Hidden Power Grass is an option to OHKO Pokemon like Geodude, Onix, and Rhyhorn who would otherwise cause some trouble for this set, however they are quite uncommon. Overheat is still preferred for that reason, not to mention its ability to get the KO on most of the previously mentioned Rock-types after they switch into a Flare Blitz. Overheat also makes for a safe opening attack due to Flare Blitz recoil.</p>
<p>This Magby set breaks down the opponent's team and finishes off weaker foes, giving a Pokemon holding the ever-common Choice Scarf a chance to sweep easily late game. Choice Scarf Bagon and Cranidos work very well with Magby offensively, as they have very little trouble with Oran Berry variants of Munchlax, but have a bit of trouble with Bronzor and faster Choice Scarf users, which Magby is built to take care of.</p>
<p>While Magby is eventually going to be forced out, defensive support isn't needed as much because Magby can switch its attacks. Not to mention it will only be able to switch in a couple times with Fire Blitz recoil, Life Orb recoil, and Stealth Rock all chipping off Magby's HP. Speaking of Stealth Rock, this Magby set especially appreciates a fast lead who can stop Stealth Rock from being set up at all costs. Meowth and any hard hitting Choice Scarf lead can make sure Stealth Rock stays off the field, at least until Magby can get a couple switch-ins and do some damage. Staryu is also a good lead to use with Magby, as it also gets Rapid Spin.</p>
[SET]
name: Mixed Wall-Breaker
move 1: Fire Blast
move 2: Cross Chop
move 3: Hidden Power Grass
move 4: ThunderPunch
item: Life Orb
nature: Hasty
evs: 200 SpA / 252 Spe
[SET COMMENTS]
<p>While this set looks similar to the above set, its playstyle is quite different. This set is purely made for beating the opponent's bulky Pokemon down with hard hitting attacks. Fire Blast is Magby's main attack, giving Bronzor and any Pokemon who doesn't resist Fire a one way ticket. Here is where the two sets differ; this set can use Cross Chop, ThunderPunch, and Hidden Power Grass in one move set, possibly giving Magby the best super effective coverage possible in Little Cup. Cross Chop is Magby's main tool for getting rid of Munchlax, who is KOed after switching into any other attack, and is OHKOed most of the time with just Stealth Rock in play. Hidden Power Grass takes care of Pokemon like Geodude and Kabuto, who have the Defense needed to survive a Cross Chop. ThunderPunch takes care of Mantyke and also gives Magby a reliable way to take out Drifloon.</p>
<p>While the above set focused on sweeping and finishing off weaker foes, this set is more focused on beating down the opponent's bulky Pokemon for other sweepers. Magby is one of the best wall breakers in Little Cup because of its ability to take down every defensive combo with the 4 attacks given. Pokemon like Machop, Mankey, and Gligar all appreciate Bronzor out of the way, because of its defensive typing and ability to KO all of them with Psychic and Hidden Power Ice respectively. Gastly, Misdreavus, and basically any special sweepers benefit from Munchlax being taken out, it makes their sweep much easier to pull off with the main special wall of the metagame gone.<p>
[SET]
name: Physical Choice
move 1: Flare Blitz
move 2: Mach Punch / Brick Break
move 3: ThunderPunch
move 4: Hidden Power Ice
item: Choice Scarf / Choice Band
nature: Hasty / Lonely
evs: 240 Atk / 252 Spe
[SET COMMENTS]
<p>Even with a Speed stat of 83 Magby can still be out sped by a select few unboosted Pokemon and Choice Scarf users. This makes Magby a great candidate for a Choice Scarf, with its respectable Attack stat and great coverage. With Magby's impressive Speed stat, it will out speed the majority of Choice Scarf users, and even some Agility users such as Porygon. Flare Blitz is Magby's move of choice, dishing out lots of damage to any foe that isn't immune to it. ThunderPunch takes care of most of Water-types switching in, with the exception of Chinchou. Hidden Power Ice is great in the last slot to revenge kill Gligar, and even hit some of the bulkier Rock-types. Brick Break is needed over Mach Punch if you are using Choice Scarf to revenge kill Aron, as Mach Punch won't OHKO. If you want the extra punch, Magby can use a Lonely nature as its Speed is already blistering fast.</p>
<p>If you feel that a Choice Scarf is redundant with Magby's great Speed stat, then a Choice Band can also be used. A Choice Band boosted Flare Blitz will incinerate a good portion of the metagame with ease, OHKOing even physically bulky Pokemon like Gligar and Duskull, however the recoil can be dangerous. Mach Punch is a forced to be reckoned with as well, a Choice Band boosted priority should never be overlooked.</p>
<p>This set needs the most defensive support because of its inability to switch attacks, because even if you predict correctly and KO an opponent's Pokemon, they can switch in whatever Pokemon they have that resists said attack. Houndour and other Flash Fire Pokemon will be switching into Flare Blitz once in a while, so having a Flash Fire Pokemon of your own is definitely a good idea, as a boosted Fire Blast coming off of Houndour's excellent Special Attack will even hurt Pokemon that resist Fire. Magby will often be caught using the wrong attack, especially if you have KOed a Pokemon with that attack already. This means that Magby will need general defensive support, so Pokemon like Munchlax and Bronzor pair quite nicely with Magby.</p>
[Other Options]
<p>In theory, Magby should be able to pull off an unstoppable Belly Drum set due to its Speed and priority attack. Setting up Magby is difficult, but not impossible due to Pokemon such as Wynaut with Encore. However, Belly Drum Magby is actually able to be beaten by some very common Pokemon, even after a Salac Berry (without a Salac Berry, Magby is easily outsped by other priority users and Pokemon carrying the ever-common Choice Scarf). Misdreavus, Gligar, or any other Pokemon with priority who resists or is immune to Mach Punch can stop Magby in it's tracks. Magby is better off using mixed Life Orb or Choice Scarf sets.
<p>The special oriented wall breaker set can also be used with Substitute and Focus Punch, which eases prediction and gives Magby an easier time with Pokemon like Lickitung. However, sacrificing either Grass or Electric-type coverage is definitely not good, so the listed sets are generally better. Iron Tail is an option for the Choice Band set, 2HKOing Rock-types, however it's quite unreliable with 75 accuracy.</p>
<p>Flamethrower is an option over Fire Blast if you are an accuracy freak, however Fire Blast guarantees many OHKOes, most notably on Gligar. Similarly Brick Break can be used over Cross Chop for the sake of accuracy. A special Choice set can also be used, but 16 Special Attack will only get you so far. However if you like the "hit-and-run" style of play, a Modest Magby's Overheat will deal loads of damage to incoming switch-ins or whatever is on the battlefeild. Not to mention, that would be coming from 27 Speed. Not to mention it can carry Cross Chop for Munchlax.</p>
<p>Focus Sash is usable on basically any set without Flare Blitz as well. Focus Sash gives you a chance to usually get at least two attacks on your opponent. Since Magby has great offensive stats, two attacks is usually enough to KO the average Pokemon.</p>
[EVs]
<p>Magby will generally want max Speed in this Speed oriented metagame. 252 EVs gives Magby 19 Speed, which is quite impressive for something with high offensive stats. 236 EVs gives Magby 17 Attack with a Jolly nature, making the Choice and mixed priority hit quite hard. 196 EVs gives Magby 16 Special Attack, which isn't too bad either, however with some Hidden Powers you may have to invest 200 in Special Attack to compensate for the IV loss.</p>
<p>Magby has trouble investing its EVs because of its weird Speed base stat number. 83 Speed means you have to use all 252 EVs to maximize the stat. This stops Magby from getting an extra point in either Attack or Special Attack once you maximize one of them.</p>
[Team Options]
<p>As Magby is an offensive natured Pokemon, it will always benefit from Stealth Rock support. However, Magby also benefits from Stealth Rock being off its own side of the field due to this annoying weakness. This makes a lead Anorith nearly perfect to use with Magby, as it sets up its own Stealth Rock, and uses Rapid Spin and its decent Speed to get rid of the opponent's Stealth Rock.</p>
<p>Magby is blessed with the ability to destroy most defensive Pokemon with its Fire STAB and Fighting-type moves to support it. This makes faster but weaker sweepers shine, because with the walls out of the way, not much can stop these Pokemon. Choice Scarf Gastly comes to mind as a great Pokemon to use with Magby; it can use its powerful Sludge Bomb as it pleases once Bronzor and Munchlax are gone. Without Pokemon like Gligar and Bronzor, your opponent will have a hard time stopping Mankey, who can run through almost any team without a defensive Pokemon or something that resists Fighting.</p>
<p>Defensively Magby is definitely going to need some support, especially with its weak defenses and defensive typing. Ground, Rock, and Water are pretty common attacking types, and unfortunately Magby is weak to them all. However, there are many Pokemon who resist at least two of these three weaknesses. Bronzor comes to mind, Rock-type attacks and being immune to Ground-type attacks, not to mention it sets up Stealth Rock and possibly even screens for Magby. Paras is another great option with its immunity to Water and 4x resistance to Ground, Spore is a bonus as well in a metagame where every turn counts. Mantyke is a great teammate for Magby as well, taking advantage of its wall-breaking abilities and also having great defensive synergy with Magby, being immune to two of Magby's weaknesses.</p>
[Opinion]
<p>Magby is often overlooked because of Elekid, with its BoltBeam coverage and slightly higher Speed. However, Magby has many advantages over Elekid, the first being power. Magby has 120 Base Power STAB attacks, while Elekid only has 75 or 95 Base Power STAB attacks. Magby has Overheat as well to add onto its STAB attacks and it also has Mach Punch, which is quite better than Elekid's Quick Attack because of its ability to score a super effective hit.</p>
<p>Magby has one huge weakness however, that being its weakness to Stealth Rock. This makes Magby unable to switch in and out as it pleases, and gives it only 3-4 switch-ins before it bites the dust. This is why Magby needs to be played to its strengths, hitting hard and fast, knocking out the opponent before it gets knocked out. With so many Pokemon falling to Magby's powerful attacks, Magby should be considered for almost any offensive team.</p>
[Counters]
<p>Magby is one of the hardest Pokemon to switch into, in fact not one Pokemon can safely switch into Magby without risk of getting OHKOed or 2HKOed. This is partially to do with Magby's coverage and power, however it's also because there are no Dragon/Flying types to absorb Fighting and Fire attacks like there are in OU and UU. Now Mantyke could switch into any Fire or Fighting attacks, but that's where ThunderPunch comes in. The best (or only) way to deal with the Life Orb mixed attackers is to predict, and send something in that can take a Mach Punch on top of the attack that it switched into. This leaves few options, but the most reliable options are likely Choice Scarf Cyndaquil or Chinchou. Cyndaquil is not hit super effectively by any of Magby's attacks, and can KO with Hidden Power Ground. Chinchou is similar, and it can easily KO with a STAB Surf.</p>
<p>The best method to rid yourself of Magby is revenge killing. As long as a Choice Scarf Pokemon isn't weak to Mach Punch, you can safely KO Magby with its weak defenses. Aqua Jet users like Buizel or Squirtle can also quickly douse Magby with the revenge kill. Diglett gets a mention for its ability to trap and OHKO Magby with Earthquake.</p>

www.smogon.com/dp/pokemon/magby
[SET]
name: Mixed Priority Sweeper
move 1: Flare Blitz
move 2: Mach Punch
move 3: ThunderPunch
move 4: Overheat / Hidden Power Grass / Brick Break
item: Life Orb
nature: Hasty
evs: 240 Atk / 252 Spe
[SET COMMENTS]
<p>Magby has all of the right tools to be a top-notch sweeper in the Little Cup metagame, and this set takes advantage of them all. Flare Blitz coming off of 17 Attack is pretty scary, especially when it's carrying a Life Orb and has 19 Speed. With Houndour being around however, Magby can take advantage of its priority move, Mach Punch, which easily KOes Houndour while avoiding Sucker Punch. Priority is a godsend in Little Cup, because 40 Base Power is usually enough to finish off any fast and frail foe after only taking minor damage. Magby is also gifted with ThunderPunch, a great tool to rid the battle of Water-types who may switch in, especially Pokemon like Mantyke, Slowpoke, and Kabuto, who will usually be your opponent's first line of defense for Fire-type attacks. With these ttacks, Magby can OHKO a majority of the metagame, while being able 2HKO even the most sturdy walls such as Munchlax (the Leftovers variant) who is 2HKOed by Flare Blitz as long as Stealth Rock is on the field. Beware of Flare Blitz recoil when you use this set, as it can be deadly for Magby after even two uses.</p>
<p>The last slot is pretty flexible, however Overheat is recommended for its sheer power. With a solid 13 Special Attack stat, a STAB Overheat is still strong enough to OHKO major threats such as Gligar, who could otherwise survive any of Magby's physical attacks, even Flare Blitz. Brick Break is an option to hit Munchlax for the guaranteed OHKO, however that leaves Magby open to Gligar. Hidden Power Grass is an option to OHKO Pokemon like Geodude, Onix, and Rhyhorn who would otherwise cause some trouble for this set, however they are quite uncommon. Overheat is still preferred for that reason, not to mention its ability to get the KO on most of the previously mentioned Rock-types after they switch into a Flare Blitz. Overheat also makes for a safe opening attack due to Flare Blitz recoil.</p>
<p>This Magby set breaks down the opponent's team and finishes off weaker foes, giving a Pokemon holding the ever-common Choice Scarf a chance to sweep easily late game. Choice Scarf Bagon and Cranidos work very well with Magby offensively, as they have very little trouble with Oran Berry variants of Munchlax, but have a bit of trouble with Bronzor and faster Choice Scarf users, which Magby is built to take care of.</p>
<p>While Magby is eventually going to be forced out, defensive support isn't needed as much because Magby can switch its attacks. Not to mention it will only be able to switch in a couple times with Fire Blitz recoil, Life Orb recoil, and Stealth Rock all chipping off Magby's HP. Speaking of Stealth Rock, this Magby set especially appreciates a fast lead who can stop Stealth Rock from being set up at all costs. Meowth and any hard hitting Choice Scarf lead can make sure Stealth Rock stays off the field, at least until Magby can get a couple switch-ins and do some damage. Staryu is also a good lead to use with Magby, as it also gets Rapid Spin.</p>
[SET]
name: Mixed Wall-Breaker
move 1: Fire Blast
move 2: Cross Chop
move 3: Hidden Power Grass
move 4: ThunderPunch
item: Life Orb
nature: Hasty
evs: 200 SpA / 252 Spe
[SET COMMENTS]
<p>While this set looks similar to the above set, its playstyle is quite different. This set is purely made for beating the opponent's bulky Pokemon down with hard hitting attacks. Fire Blast is Magby's main attack, giving Bronzor and any Pokemon who doesn't resist Fire a one way ticket. Here is where the two sets differ; this set can use Cross Chop, ThunderPunch, and Hidden Power Grass in one move set, possibly giving Magby the best super effective coverage possible in Little Cup. Cross Chop is Magby's main tool for getting rid of Munchlax, who is KOed after switching into any other attack, and is OHKOed most of the time with just Stealth Rock in play. Hidden Power Grass takes care of Pokemon like Geodude and Kabuto, who have the Defense needed to survive a Cross Chop. ThunderPunch takes care of Mantyke and also gives Magby a reliable way to take out Drifloon.</p>
<p>While the above set focused on sweeping and finishing off weaker foes, this set is more focused on beating down the opponent's bulky Pokemon for other sweepers. Magby is one of the best wall breakers in Little Cup because of its ability to take down every defensive combo with the 4 attacks given. Pokemon like Machop, Mankey, and Gligar all appreciate Bronzor out of the way, because of its defensive typing and ability to KO all of them with Psychic and Hidden Power Ice respectively. Gastly, Misdreavus, and basically any special sweepers benefit from Munchlax being taken out, it makes their sweep much easier to pull off with the main special wall of the metagame gone.<p>
[SET]
name: Physical Choice
move 1: Flare Blitz
move 2: Mach Punch / Brick Break
move 3: ThunderPunch
move 4: Hidden Power Ice
item: Choice Scarf / Choice Band
nature: Hasty / Lonely
evs: 240 Atk / 252 Spe
[SET COMMENTS]
<p>Even with a Speed stat of 83 Magby can still be out sped by a select few unboosted Pokemon and Choice Scarf users. This makes Magby a great candidate for a Choice Scarf, with its respectable Attack stat and great coverage. With Magby's impressive Speed stat, it will out speed the majority of Choice Scarf users, and even some Agility users such as Porygon. Flare Blitz is Magby's move of choice, dishing out lots of damage to any foe that isn't immune to it. ThunderPunch takes care of most of Water-types switching in, with the exception of Chinchou. Hidden Power Ice is great in the last slot to revenge kill Gligar, and even hit some of the bulkier Rock-types. Brick Break is needed over Mach Punch if you are using Choice Scarf to revenge kill Aron, as Mach Punch won't OHKO. If you want the extra punch, Magby can use a Lonely nature as its Speed is already blistering fast.</p>
<p>If you feel that a Choice Scarf is redundant with Magby's great Speed stat, then a Choice Band can also be used. A Choice Band boosted Flare Blitz will incinerate a good portion of the metagame with ease, OHKOing even physically bulky Pokemon like Gligar and Duskull, however the recoil can be dangerous. Mach Punch is a forced to be reckoned with as well, a Choice Band boosted priority should never be overlooked.</p>
<p>This set needs the most defensive support because of its inability to switch attacks, because even if you predict correctly and KO an opponent's Pokemon, they can switch in whatever Pokemon they have that resists said attack. Houndour and other Flash Fire Pokemon will be switching into Flare Blitz once in a while, so having a Flash Fire Pokemon of your own is definitely a good idea, as a boosted Fire Blast coming off of Houndour's excellent Special Attack will even hurt Pokemon that resist Fire. Magby will often be caught using the wrong attack, especially if you have KOed a Pokemon with that attack already. This means that Magby will need general defensive support, so Pokemon like Munchlax and Bronzor pair quite nicely with Magby.</p>
[Other Options]
<p>In theory, Magby should be able to pull off an unstoppable Belly Drum set due to its Speed and priority attack. Setting up Magby is difficult, but not impossible due to Pokemon such as Wynaut with Encore. However, Belly Drum Magby is actually able to be beaten by some very common Pokemon, even after a Salac Berry (without a Salac Berry, Magby is easily outsped by other priority users and Pokemon carrying the ever-common Choice Scarf). Misdreavus, Gligar, or any other Pokemon with priority who resists or is immune to Mach Punch can stop Magby in it's tracks. Magby is better off using mixed Life Orb or Choice Scarf sets.
<p>The special oriented wall breaker set can also be used with Substitute and Focus Punch, which eases prediction and gives Magby an easier time with Pokemon like Lickitung. However, sacrificing either Grass or Electric-type coverage is definitely not good, so the listed sets are generally better. Iron Tail is an option for the Choice Band set, 2HKOing Rock-types, however it's quite unreliable with 75 accuracy.</p>
<p>Flamethrower is an option over Fire Blast if you are an accuracy freak, however Fire Blast guarantees many OHKOes, most notably on Gligar. Similarly Brick Break can be used over Cross Chop for the sake of accuracy. A special Choice set can also be used, but 16 Special Attack will only get you so far. However if you like the "hit-and-run" style of play, a Modest Magby's Overheat will deal loads of damage to incoming switch-ins or whatever is on the battlefeild. Not to mention, that would be coming from 27 Speed. Not to mention it can carry Cross Chop for Munchlax.</p>
<p>Focus Sash is usable on basically any set without Flare Blitz as well. Focus Sash gives you a chance to usually get at least two attacks on your opponent. Since Magby has great offensive stats, two attacks is usually enough to KO the average Pokemon.</p>
[EVs]
<p>Magby will generally want max Speed in this Speed oriented metagame. 252 EVs gives Magby 19 Speed, which is quite impressive for something with high offensive stats. 236 EVs gives Magby 17 Attack with a Jolly nature, making the Choice and mixed priority hit quite hard. 196 EVs gives Magby 16 Special Attack, which isn't too bad either, however with some Hidden Powers you may have to invest 200 in Special Attack to compensate for the IV loss.</p>
<p>Magby has trouble investing its EVs because of its weird Speed base stat number. 83 Speed means you have to use all 252 EVs to maximize the stat. This stops Magby from getting an extra point in either Attack or Special Attack once you maximize one of them.</p>
[Team Options]
<p>As Magby is an offensive natured Pokemon, it will always benefit from Stealth Rock support. However, Magby also benefits from Stealth Rock being off its own side of the field due to this annoying weakness. This makes a lead Anorith nearly perfect to use with Magby, as it sets up its own Stealth Rock, and uses Rapid Spin and its decent Speed to get rid of the opponent's Stealth Rock.</p>
<p>Magby is blessed with the ability to destroy most defensive Pokemon with its Fire STAB and Fighting-type moves to support it. This makes faster but weaker sweepers shine, because with the walls out of the way, not much can stop these Pokemon. Choice Scarf Gastly comes to mind as a great Pokemon to use with Magby; it can use its powerful Sludge Bomb as it pleases once Bronzor and Munchlax are gone. Without Pokemon like Gligar and Bronzor, your opponent will have a hard time stopping Mankey, who can run through almost any team without a defensive Pokemon or something that resists Fighting.</p>
<p>Defensively Magby is definitely going to need some support, especially with its weak defenses and defensive typing. Ground, Rock, and Water are pretty common attacking types, and unfortunately Magby is weak to them all. However, there are many Pokemon who resist at least two of these three weaknesses. Bronzor comes to mind, Rock-type attacks and being immune to Ground-type attacks, not to mention it sets up Stealth Rock and possibly even screens for Magby. Paras is another great option with its immunity to Water and 4x resistance to Ground, Spore is a bonus as well in a metagame where every turn counts. Mantyke is a great teammate for Magby as well, taking advantage of its wall-breaking abilities and also having great defensive synergy with Magby, being immune to two of Magby's weaknesses.</p>
[Opinion]
<p>Magby is often overlooked because of Elekid, with its BoltBeam coverage and slightly higher Speed. However, Magby has many advantages over Elekid, the first being power. Magby has 120 Base Power STAB attacks, while Elekid only has 75 or 95 Base Power STAB attacks. Magby has Overheat as well to add onto its STAB attacks and it also has Mach Punch, which is quite better than Elekid's Quick Attack because of its ability to score a super effective hit.</p>
<p>Magby has one huge weakness however, that being its weakness to Stealth Rock. This makes Magby unable to switch in and out as it pleases, and gives it only 3-4 switch-ins before it bites the dust. This is why Magby needs to be played to its strengths, hitting hard and fast, knocking out the opponent before it gets knocked out. With so many Pokemon falling to Magby's powerful attacks, Magby should be considered for almost any offensive team.</p>
[Counters]
<p>Magby is one of the hardest Pokemon to switch into, in fact not one Pokemon can safely switch into Magby without risk of getting OHKOed or 2HKOed. This is partially to do with Magby's coverage and power, however it's also because there are no Dragon/Flying types to absorb Fighting and Fire attacks like there are in OU and UU. Now Mantyke could switch into any Fire or Fighting attacks, but that's where ThunderPunch comes in. The best (or only) way to deal with the Life Orb mixed attackers is to predict, and send something in that can take a Mach Punch on top of the attack that it switched into. This leaves few options, but the most reliable options are likely Choice Scarf Cyndaquil or Chinchou. Cyndaquil is not hit super effectively by any of Magby's attacks, and can KO with Hidden Power Ground. Chinchou is similar, and it can easily KO with a STAB Surf.</p>
<p>The best method to rid yourself of Magby is revenge killing. As long as a Choice Scarf Pokemon isn't weak to Mach Punch, you can safely KO Magby with its weak defenses. Aqua Jet users like Buizel or Squirtle can also quickly douse Magby with the revenge kill. Diglett gets a mention for its ability to trap and OHKO Magby with Earthquake.</p>