Aggron-Mega @ Aggronite  
Ability: Filter  
EVs: 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Curse  
- Heavy Slam  
- Fire Punch  
- Rest  

Cresselia @ Leftovers  
Ability: Levitate  
EVs: 248 HP / 96 Def / 152 SpA / 12 Spe  
Bold Nature  
IVs: 0 Atk  
- Psyshock  
- Ice Beam  
- Calm Mind  
- Moonlight  

Tornadus-Therian (M)  
Ability: Regenerator  

Clefable  
Ability: Magic Guard  
IVs: 0 Atk  

Mantine  
Ability: Swift Swim  

Hippowdon  
Ability: Sand Stream