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

Scizor @ Rocky Helmet  
Ability: Technician  
EVs: 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Bullet Punch  
- Roost  
- U-turn  
- Defog  

Volcarona @ Leftovers  
Ability: Swarm  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Quiver Dance  
- Flamethrower  
- Bug Buzz  
- Substitute  

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

Garchomp (M) @ Yache Berry  
Ability: Rough Skin  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Earthquake  
- Outrage  
- Fire Fang  

Serperior @ Coba Berry  
Ability: Contrary  
EVs: 240 HP / 12 Def / 4 SpA / 252 Spe  
Timid Nature  
IVs: 1 Atk / 30 Def / 30 SpD / 30 Spe  
- Leaf Storm  
- Hidden Power [Rock]  
- Glare  
- Taunt