Mew @ Colbur Berry  
Ability: Synchronize  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Thunder Wave  
- Taunt  
- Ice Beam  

Dragonite @ Heavy-Duty Boots  
Ability: Multiscale  
EVs: 252 Atk / 16 Def / 240 Spe  
Adamant Nature  
- Dragon Dance  
- Dual Wingbeat  
- Earthquake  
- Roost  

Serperior @ Rocky Helmet  
Ability: Contrary  
EVs: 112 HP / 144 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Taunt  
- Leaf Storm  
- Defog  
- Glare  

Volcarona @ Life Orb  
Ability: Flame Body  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Fire Blast  
- Bug Buzz  
- Psychic  

Kommo-o @ Kommonium Z  
Ability: Bulletproof  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Clanging Scales  
- Drain Punch  
- Flamethrower  
- Taunt  

Scizor-Mega @ Scizorite  
Ability: Technician  
EVs: 116 HP / 252 Atk / 140 Spe  
Adamant Nature  
- Swords Dance  
- Dual Wingbeat  
- Bullet Punch  
- Superpower