Corviknight @ Leftovers  
Ability: Unaware  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Brave Bird  
- Body Press  
- Bulk Up  
- Roost  

Garchomp @ Toxic Orb  
Ability: Poison Heal  
EVs: 236 HP / 40 Atk / 48 Def / 136 SpD / 48 Spe  
Adamant Nature  
- Earthquake  
- Dragon Tail  
- Swords Dance  
- Protect  

Gengar @ Black Sludge  
Ability: Storm Drain  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Hex  
- Nasty Plot  
- Trick  

Mandibuzz (F) @ Heavy-Duty Boots  
Ability: Magic Bounce  
EVs: 248 HP / 64 Def / 196 SpD  
Impish Nature  
- Foul Play  
- U-turn  
- Defog  
- Roost  

Nihilego @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
- Sludge Bomb  
- Power Gem  
- Knock Off  
- Stealth Rock  

Tapu Fini @ Toxic Orb  
Ability: Poison Heal  
EVs: 248 HP / 252 Def / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Scald  
- Calm Mind  
- Taunt