Volcarona @ Buginium Z  
Ability: Swarm  
EVs: 192 HP / 52 Def / 12 SpA / 252 Spe  
Timid Nature  
- Bug Buzz  
- Overheat  
- Quiver Dance  
- Substitute  

Donphan @ Choice Band  
Ability: Sturdy  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Earthquake  
- Gunk Shot  
- Head Smash  
- Ice Shard  

Mew @ Normalium Z  
Ability: Synchronize  
EVs: 252 HP / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Taunt  
- Reflect  
- Seismic Toss  
- Transform