Mew @ Manectite  
Ability: Synchronize  
EVs: 252 HP / 212 Def / 44 Spe  
Bold Nature  
IVs: 0 Atk  
- Ice Beam  
- Roost  
- Volt Switch  
- Future Sight  

Rhyperior @ Tyranitarite  
Ability: Solid Rock  
EVs: 252 HP / 56 Atk / 200 SpD  
Careful Nature  
- Earthquake  
- Stone Edge  
- Swords Dance  
- Stealth Rock  

Corviknight @ Venusaurite  
Ability: Mirror Armor  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Spe  
- U-turn  
- Defog  
- Brave Bird  
- Roost  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 44 HP / 104 Def / 252 SpA / 108 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunderbolt  
- Substitute  

Regieleki @ Altarianite  
Ability: Transistor  
EVs: 252 Atk / 128 SpA / 128 Spe  
Naughty Nature  
- Volt Switch  
- Extreme Speed  
- Explosion  
- Rapid Spin  

Urshifu-Rapid-Strike @ Metagrossite  
Ability: Unseen Fist  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Surging Strikes  
- Close Combat  
- U-turn  
- Thunder Punch