Tapu Lele @ Terrain Extender  
Ability: Psychic Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psyshock  
- Moonblast  
- Taunt  
- Nature's Madness  

Hatterene (F) @ Eject Button  
Ability: Magic Bounce  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Psyshock  
- Healing Wish  
- Nuzzle  
- Mystical Fire  

Corviknight @ Rocky Helmet  
Ability: Pressure  
EVs: 252 HP / 184 Def / 72 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Brave Bird  
- U-turn  
- Roost  
- Defog  

Volcarona @ Psychium Z  
Ability: Flame Body  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Flamethrower  
- Bug Buzz  
- Quiver Dance  
- Psychic  

Polteageist @ Focus Sash  
Ability: Weak Armor  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Shell Smash  
- Shadow Ball  
- Stored Power  
- Giga Drain  

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