devour (Volcarona) @ Passho Berry  
Ability: Flame Body  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
- Flamethrower  
- Quiver Dance  
- Roost  
- Giga Drain  

consuming maw (Kommo-o) @ Haban Berry  
Ability: Bulletproof  
EVs: 212 HP / 252 Def / 44 Spe  
Bold Nature  
IVs: 0 Atk  
- Iron Defense  
- Body Press  
- Clanging Scales  
- Rest  

One more Bite (Porygon-Z) @ Choice Scarf  
Ability: Adaptability  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Hyper Beam  
- Trick  
- Nasty Plot  
- Uproar