The best set ever
BEST SET (Wobbuffet) @ Aguav Berry  
Ability: Shadow Tag  
Level: 50  
EVs: 252 Def / 252 SpD / 4 Spe  
Bold Nature  
IVs: 0 Atk  
- Counter  
- Mirror Coat  
- Encore  
- Safeguard  

Standard SPD Rotom Heat
Rotom-Heat @ Firium Z/50% Berry  
Ability: Levitate  
Level: 50  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk / 29 Spe  
- Volt Switch  
- Thunderbolt  
- Overheat  
- Toxic  
Choiced Attacker
Rotom-Heat @ Choice Specs/Choice Scarf  
Ability: Levitate  
Level: 50  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt/Trick  
- Overheat/Trick  
- Hidden Power [Ice]/Trick  
- Volt Switch  

Standard Stall
Skarmory @ Rocky Helmet/Leftovers  
Ability: Sturdy  
Level: 50  
EVs: 244 HP / 12 Atk / 252 Def  
Impish Nature  
- Iron Defense  
- Roost  
- Brave Bird  
- Whirlwind/Toxic/Stealth Rock  

Lead
Skarmory @ Flyinium Z  
Ability: Sturdy  
Level: 50  
EVs: 36 HP / 220 Atk / 252 Spe  
Jolly Nature  
- Brave Bird  
- Rock Tomb  
- Stealth Rock  
- Taunt  

Offensive Stall
Skarmory @ Flyinium Z  
Ability: Sturdy  
Level: 50  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Brave Bird  
- Roost  
- Swords Dance  
- Toxic/Stealth Rock/Whirlwind