http://www.smogon.com/dp/pokemon/magnezone
I've been using this set a for a while and it works particularly well in the current metagame. The first set, the steel killer, is engineered primarily to beat Bronzong and Metagross. However, Bronzong is dropping in usage and Metagross are usually blowing themselves up as leads before your sweepers need to set-up anyway. Choice Scarf Heatran, Choice Band Scizor, and Choice Scarf Jirachi are all the rage and this set exploits them to the fullest, while still functioning as a steel-killer.
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[SET]
name: Charge 'em Up Steel Killer!
move 1: Substitute
move 2: Charge Beam
move 3: Thunderbolt
move 4: Hidden Power Ice / Flash Cannon
item: Leftovers
ability: Magnet Pull
nature: Modest
evs: 224 HP / 24 Def / 32 SpA / 144 SpD / 84 Spe
[SET COMMENTS]
<p>This set is specifically designed to punish opposing teams for using Choiced Steel types. Choice Band Scizor, Choice Scarf Jirachi, and Choice Scarf Heatran are normally the glue that holds many teams together because of their ability to check multiple threats. With this set, you will be able to eliminate them while simultaneously setting yourself up to deal with the next pokemon which can turn the tide in a battle. The EVs given are tailored for the use of Substitute. With the given EV spread, Magnezone will achieve perfect leftovers recovery on 84 HP Substitutes that are impervious to common attacks of these three pokemon. Choice Band Scizor depends heavily on Bullet Punch to check a multitude of threats. With careful prediction, you can get Magnezone in on a Bullet Punch and proceed to set up your Substitute. From that point, it will take three Bullet Punches to break a Substitute, which will allow you to recover substantial health with Leftovers and begin charging your special attack with Charge Beam. Due to low base power, it will normally take three to four Charge Beams to eliminate the opposing steel Pokemon. With each attack, you have a 70% chance to raise your Special Attack. Before eliminating the helpless Pokemon, remember to keep your Substitute intact so that you get a "free" shot at the opponents next Pokemon. You should come out of the exchange with a Substitute, boosted Special Attack, and an eliminated steel Pokemon.</p>
<p> After eliminating the aforementioned Steel, Thunderbolt is your main attack and will hit like a freight train coming from Magnezone's boosted base 130 Attack. Hidden Power Ice compliments your electric attacks nicely by achieving near perfect coverage. However, Flash Cannon is a valuable secondary attack thanks to STAB, and is only slightly less powerful than a supper effective Hidden Power. It is important to note that Flash Cannon will always OHKO Mamoswine, and if you come out of the exchange at +2, it will have roughly a 50% chance to OHKO a Max HP Tyranitar after Stealth Rock. Since many Tyranitar hover around the same speed, you can easily re-allocate the 24 Def EVs to Speed to knock out Tar and keep the Substitute in-tact.</p>
<p> The magic of this set is all in the EV spread. The 24 Def EVs ensures that Scizor's Bullet Punch is always a 3HKO and Jirachi's Iron Head a 4HKO. Ideally, you will not want to be facing Scizor when it used Pursuit, as that means your probably lost a Pokemon! However, Scizor's Pursuit is still a 2HKO on the Substitute which allows you to Substitute and Charge repeatedly. The heavy investment in Special Defense may seem excessive, but allows you to carry out the same procedure against a Choice Scarf Heatran locked into Dragon Pulse, as it will never OHKO your Substitutes. The Speed is necessary to outspeed Skarmory and kill it before it has a chance to do anything. Do not try to set up on Skarmory, as Charge Beam will fail to OHKO the Steel bird and Magnezone will be met with a swift Whirlwind or an extra layer of Spikes. The remaining EVs were placed into Special Attack to pack a bit more punch.</p>
<p>This set functions more as a supporter or wall-breaker for your team because of the targets it can eliminate. Therefore, it is best paired with teammates that can appreciate the support it provides. Latias is a prime candidate, as she resists Magnezone's weaknesses and lures Scizor like a honey attracts Bees. Gengar works much the same way and is more likely to attract a Bullet Punch rather than a U-turn. In general, fast, frail sweepers attract Scizor or are revenge killed by Heatran and Jirachi which will allow Magnezone the opportunity to set up. Defensively, Salamence makes an excellent partner thanks to perfect type synergy and Intimidate. A Dragon Dance Salamence will enjoy Magnezone's ability to rid the field of these particular steels as all three are common revenge killers.</p>
<p>Much like the traditional Steel-killer set, pairing this Magnezone with a user of Trick will make the target Steel Pokemon easier to set up on.</p>
I've been using this set a for a while and it works particularly well in the current metagame. The first set, the steel killer, is engineered primarily to beat Bronzong and Metagross. However, Bronzong is dropping in usage and Metagross are usually blowing themselves up as leads before your sweepers need to set-up anyway. Choice Scarf Heatran, Choice Band Scizor, and Choice Scarf Jirachi are all the rage and this set exploits them to the fullest, while still functioning as a steel-killer.
--------------------------------------------------
[SET]
name: Charge 'em Up Steel Killer!
move 1: Substitute
move 2: Charge Beam
move 3: Thunderbolt
move 4: Hidden Power Ice / Flash Cannon
item: Leftovers
ability: Magnet Pull
nature: Modest
evs: 224 HP / 24 Def / 32 SpA / 144 SpD / 84 Spe
[SET COMMENTS]
<p>This set is specifically designed to punish opposing teams for using Choiced Steel types. Choice Band Scizor, Choice Scarf Jirachi, and Choice Scarf Heatran are normally the glue that holds many teams together because of their ability to check multiple threats. With this set, you will be able to eliminate them while simultaneously setting yourself up to deal with the next pokemon which can turn the tide in a battle. The EVs given are tailored for the use of Substitute. With the given EV spread, Magnezone will achieve perfect leftovers recovery on 84 HP Substitutes that are impervious to common attacks of these three pokemon. Choice Band Scizor depends heavily on Bullet Punch to check a multitude of threats. With careful prediction, you can get Magnezone in on a Bullet Punch and proceed to set up your Substitute. From that point, it will take three Bullet Punches to break a Substitute, which will allow you to recover substantial health with Leftovers and begin charging your special attack with Charge Beam. Due to low base power, it will normally take three to four Charge Beams to eliminate the opposing steel Pokemon. With each attack, you have a 70% chance to raise your Special Attack. Before eliminating the helpless Pokemon, remember to keep your Substitute intact so that you get a "free" shot at the opponents next Pokemon. You should come out of the exchange with a Substitute, boosted Special Attack, and an eliminated steel Pokemon.</p>
<p> After eliminating the aforementioned Steel, Thunderbolt is your main attack and will hit like a freight train coming from Magnezone's boosted base 130 Attack. Hidden Power Ice compliments your electric attacks nicely by achieving near perfect coverage. However, Flash Cannon is a valuable secondary attack thanks to STAB, and is only slightly less powerful than a supper effective Hidden Power. It is important to note that Flash Cannon will always OHKO Mamoswine, and if you come out of the exchange at +2, it will have roughly a 50% chance to OHKO a Max HP Tyranitar after Stealth Rock. Since many Tyranitar hover around the same speed, you can easily re-allocate the 24 Def EVs to Speed to knock out Tar and keep the Substitute in-tact.</p>
<p> The magic of this set is all in the EV spread. The 24 Def EVs ensures that Scizor's Bullet Punch is always a 3HKO and Jirachi's Iron Head a 4HKO. Ideally, you will not want to be facing Scizor when it used Pursuit, as that means your probably lost a Pokemon! However, Scizor's Pursuit is still a 2HKO on the Substitute which allows you to Substitute and Charge repeatedly. The heavy investment in Special Defense may seem excessive, but allows you to carry out the same procedure against a Choice Scarf Heatran locked into Dragon Pulse, as it will never OHKO your Substitutes. The Speed is necessary to outspeed Skarmory and kill it before it has a chance to do anything. Do not try to set up on Skarmory, as Charge Beam will fail to OHKO the Steel bird and Magnezone will be met with a swift Whirlwind or an extra layer of Spikes. The remaining EVs were placed into Special Attack to pack a bit more punch.</p>
<p>This set functions more as a supporter or wall-breaker for your team because of the targets it can eliminate. Therefore, it is best paired with teammates that can appreciate the support it provides. Latias is a prime candidate, as she resists Magnezone's weaknesses and lures Scizor like a honey attracts Bees. Gengar works much the same way and is more likely to attract a Bullet Punch rather than a U-turn. In general, fast, frail sweepers attract Scizor or are revenge killed by Heatran and Jirachi which will allow Magnezone the opportunity to set up. Defensively, Salamence makes an excellent partner thanks to perfect type synergy and Intimidate. A Dragon Dance Salamence will enjoy Magnezone's ability to rid the field of these particular steels as all three are common revenge killers.</p>
<p>Much like the traditional Steel-killer set, pairing this Magnezone with a user of Trick will make the target Steel Pokemon easier to set up on.</p>