Mew @ Red Card  
Ability: Synchronize  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Spikes  
- Stealth Rock  
- Taunt  
- Misty Explosion  

Garchomp-Mega @ Garchompite  
Ability: Rough Skin  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Earthquake  
- Fire Fang  
- Scale Shot  

Tapu Lele @ Choice Scarf  
Ability: Psychic Surge  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Psyshock  
- Moonblast  
- Psychic  
- Focus Blast  

Gyarados @ Flyinium Z  
Ability: Moxie  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Bounce  
- Waterfall  
- Earthquake  

Volcarona @ Heavy-Duty Boots  
Ability: Flame Body  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 1 Atk  
- Quiver Dance  
- Hidden Power [Ground]  
- Bug Buzz  
- Flamethrower  

Serperior @ Rocky Helmet  
Ability: Contrary  
EVs: 40 HP / 216 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Taunt  
- Hidden Power [Fire]  
- Synthesis