Azelf @ Focus Sash  
Ability: Levitate  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Stealth Rock  
- Psychic  
- Taunt  
- Explosion  

Grimmsnarl (M) @ Light Clay  
Ability: Prankster  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Light Screen  
- Reflect  
- Taunt  
- Spirit Break  

Tapu Koko @ Fairium Z  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Dazzling Gleam  
- Calm Mind  
- Roost  

Medicham-Mega @ Medichamite  
Ability: Pure Power  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Bulk Up  
- Zen Headbutt  
- High Jump Kick  
- Bullet Punch  

Serperior @ Leftovers  
Ability: Contrary  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Hidden Power [Fire]  
- Synthesis  
- Taunt  

Volcarona @ Heavy-Duty Boots  
Ability: Flame Body  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Flamethrower  
- Bug Buzz  
- Hidden Power [Ground]