Mew @ Mental Herb  
Ability: Synchronize  
EVs: 252 HP / 4 SpD / 252 Spe  
Jolly Nature  
- Explosion  
- Stealth Rock  
- Taunt  
- Thunder Wave  

Excadrill @ Air Balloon  
Ability: Mold Breaker  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- Iron Head / Rock Slide  
- Rapid Spin  
- Swords Dance  

Gyarados-Mega @ Gyaradosite  
Ability: Mold Breaker  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Crunch  
- Waterfall  
- Earthquake / Substitute  

Talonflame @ Leftovers  
Ability: Gale Wings  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Brave Bird  
- Swords Dance  
- Roost  
- Flare Blitz  

Thundurus (M) @ Rocky Helmet  
Ability: Prankster  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Thunder Wave  
- Thunderbolt  
- Hidden Power [Ice]  
- Focus Blast  

Volcarona @ Lum Berry  
Ability: Flame Body  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Flamethrower  
- Bug Buzz  
- Giga Drain / Hidden Power Ground