Necrozma @ Colbur Berry  
Ability: Prism Armor  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Photon Geyser  
- Earthquake  
- Brick Break  

Grimmsnarl (M) @ Light Clay  
Ability: Prankster  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Thunder Wave  
- Reflect  
- Light Screen  
- Spirit Break  

Zeraora @ Heavy-Duty Boots  
Ability: Volt Absorb  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Plasma Fists  
- Knock Off  
- Close Combat  
- Thunder Wave  

Volcarona @ Heavy-Duty Boots  
Ability: Flame Body  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Flamethrower  
- Safeguard  
- Psychic  

The Imposter (Ditto) @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
IVs: 30 Atk  
- Transform  

Skarmory @ Rocky Helmet  
Ability: Sturdy  
EVs: 80 HP / 252 Def / 176 Spe  
Impish Nature  
IVs: 0 Atk  
- Body Press  
- Spikes  
- Whirlwind  
- Roost