Hey everyone, EeveeMaster back again. I posted this team in RMT about a month ago and the modifications has made it preform much better in battle. I've noticed over the past week, however, that it's been on a massive losing streak. I'm not sure what has changed, but currently my team has broken even in wins vs. loses. I'll post my updated team and ask for any ideas or changes that could help this team be a more competitive force!
Smeargle @ Focus Sash
Ability: Own Tempo
EVs: 252 HP / 252 Spd / 6 Def
Nature: Jolly
-Spore
-Stealth Rock
-Sticky Web
-Aromatherapy
Smeargle is usually the first one out in my battles, his job is to stall the enemy long enough to let him set up field hazards. He can also appear later in the battle to heal my teammates who may have fallen victim to status effects.
Rotom-W @ Choice Scarf
Ability: Levitate
EVs: 252 Sp. Atk / 252 Spd / 6 HP
Nature: Timid
-Trick
-Volt Switch
-Hydro Pump
-Shadow Ball
Rotom-W is my scout used to check for any choice users as well as messing up walls who may have Leftovers with Trick. He is usually used on a safe switch in or as a possible revenge killer if the opportunity presents itself
Mandibuzz @ Leftovers
Ability: Overcoat
EVs: 252 Spd / 252 Sp. Def / 6 Def
Nature: Careful
-Taunt
-Defog
-Foul Play
-Roost
As for the last of my support Pokemon; Mandibuzz is typically a nuisance for most opponents I face. I bring her in usually when it's safe (one of my other Pokemon Faints). She is there to clear field hazards if any exist as well as Taunting to break down opposing walls, Using Foul Play against boosters (especially DD Gyrados, DD Dragonite). Mandibuzz usually tends to attack first when I use her which helps her to stay on the field as long as safely needed.
Volcarona @ Life Orb
Ability: Flame Body
EVs: 252 Sp. Atk / 252 Spd / 6 HP
Nature: Timid
-Quiver Dance
-Bug Buzz
-Fiery Dance
-Roost
Volcarona is one of my main attackers. He takes a short amount of time to boost (usually 1 Quiver Dance is enough thanks to Life Orb). Standard type coverage for a Volcarona he has a tendency to wreck havoc on most teams I face. Like all Volcarona can't take a single Rock Attack >.<
Aegislash @ Air Balloon
Ability: Stance Change
EVs: 252 Atk / 252 HP / 6 Spd
Nature: Adamant
-Kings Shield
-Swords Dance
-Sacred Sword
-Shadow Sneak
I believe most people I've seen using Aegislash have this moveset on them (new to X & Y Competitive Battles) but it seems to be a solid one. If Aegislash is against any physically offensive Pokemon I will alternate Kings Shield and Swords Dance as many times as possible to cut the physical sweepers attack to an insignificant amount taking it out of the equation. Air Balloon for safe switch in's on Ground Attacks usually targeting Volcarona.
Garchomp @ Choice Band
Ability: Rough Skin
EVs: 252 Atk / 252 Spd / 6 HP
Nature: Jolly
-Stone Edge
-Poison Jab
-Earthquake
-Outrage
Garchomp is what my team revolves around. The Choice Band lets him usually OHKO opponents long enough to switch back out to a suitable counter to avoid the Choice Band Move Trap. He acts as my primary revenge killer and by far stands up best on this team compared to the other team members. He is my main attacker.
So looking back at the team as a whole I have Smeargle setting up field hazards and possibly rendering the opponents Pokemon temporarily inert while Rotom-W scouts out enemy choice users as well as breaking down walls with Trick. Volcarona and Aegislash usually get switched back and forth seeing as most enemies seem to use ground attacks at Volcarona if they don't have a Rock Attack available. Garchomp is my Revenge Killer and is usually used late in the game for clean-up duties.
I am open to criticism as this is my first time really taking the game to the next level (all Pokemon listed have 5 Max IV's where needed after hundreds of eggs x_x) and battling competitively. Please tell me what you think would help benefit the team or what I'm doing right.
Thanks,
Eevee

Smeargle @ Focus Sash
Ability: Own Tempo
EVs: 252 HP / 252 Spd / 6 Def
Nature: Jolly
-Spore
-Stealth Rock
-Sticky Web
-Aromatherapy
Smeargle is usually the first one out in my battles, his job is to stall the enemy long enough to let him set up field hazards. He can also appear later in the battle to heal my teammates who may have fallen victim to status effects.
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Rotom-W @ Choice Scarf
Ability: Levitate
EVs: 252 Sp. Atk / 252 Spd / 6 HP
Nature: Timid
-Trick
-Volt Switch
-Hydro Pump
-Shadow Ball
Rotom-W is my scout used to check for any choice users as well as messing up walls who may have Leftovers with Trick. He is usually used on a safe switch in or as a possible revenge killer if the opportunity presents itself

Mandibuzz @ Leftovers
Ability: Overcoat
EVs: 252 Spd / 252 Sp. Def / 6 Def
Nature: Careful
-Taunt
-Defog
-Foul Play
-Roost
As for the last of my support Pokemon; Mandibuzz is typically a nuisance for most opponents I face. I bring her in usually when it's safe (one of my other Pokemon Faints). She is there to clear field hazards if any exist as well as Taunting to break down opposing walls, Using Foul Play against boosters (especially DD Gyrados, DD Dragonite). Mandibuzz usually tends to attack first when I use her which helps her to stay on the field as long as safely needed.

Volcarona @ Life Orb
Ability: Flame Body
EVs: 252 Sp. Atk / 252 Spd / 6 HP
Nature: Timid
-Quiver Dance
-Bug Buzz
-Fiery Dance
-Roost
Volcarona is one of my main attackers. He takes a short amount of time to boost (usually 1 Quiver Dance is enough thanks to Life Orb). Standard type coverage for a Volcarona he has a tendency to wreck havoc on most teams I face. Like all Volcarona can't take a single Rock Attack >.<

Aegislash @ Air Balloon
Ability: Stance Change
EVs: 252 Atk / 252 HP / 6 Spd
Nature: Adamant
-Kings Shield
-Swords Dance
-Sacred Sword
-Shadow Sneak
I believe most people I've seen using Aegislash have this moveset on them (new to X & Y Competitive Battles) but it seems to be a solid one. If Aegislash is against any physically offensive Pokemon I will alternate Kings Shield and Swords Dance as many times as possible to cut the physical sweepers attack to an insignificant amount taking it out of the equation. Air Balloon for safe switch in's on Ground Attacks usually targeting Volcarona.

Garchomp @ Choice Band
Ability: Rough Skin
EVs: 252 Atk / 252 Spd / 6 HP
Nature: Jolly
-Stone Edge
-Poison Jab
-Earthquake
-Outrage
Garchomp is what my team revolves around. The Choice Band lets him usually OHKO opponents long enough to switch back out to a suitable counter to avoid the Choice Band Move Trap. He acts as my primary revenge killer and by far stands up best on this team compared to the other team members. He is my main attacker.
So looking back at the team as a whole I have Smeargle setting up field hazards and possibly rendering the opponents Pokemon temporarily inert while Rotom-W scouts out enemy choice users as well as breaking down walls with Trick. Volcarona and Aegislash usually get switched back and forth seeing as most enemies seem to use ground attacks at Volcarona if they don't have a Rock Attack available. Garchomp is my Revenge Killer and is usually used late in the game for clean-up duties.
I am open to criticism as this is my first time really taking the game to the next level (all Pokemon listed have 5 Max IV's where needed after hundreds of eggs x_x) and battling competitively. Please tell me what you think would help benefit the team or what I'm doing right.
Thanks,
Eevee