Mew @ Choice Scarf  
Ability: Synchronize  
EVs: 236 Atk / 32 Def / 240 Spe  
Adamant Nature  
- Flare Blitz  
- Outrage  
- Trick  
- Earthquake  

Excadrill @ Choice Band  
Ability: Mold Breaker  
EVs: 220 Atk / 36 SpD / 252 Spe  
Adamant Nature  
- Earthquake  
- Iron Head  
- Poison Jab  
- X-Scissor  

Sylveon @ Iapapa Berry  
Ability: Pixilate  
EVs: 252 HP / 252 Def / 4 Spe  
Modest Nature  
- Copycat  
- Hyper Beam  
- Hyper Voice  
- Fake Tears