Cresselia @ Mental Herb  
Ability: Levitate  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Trick Room  
- Moonlight  
- Ice Beam  
- Calm Mind  

Aegislash @ Life Orb  
Ability: Stance Change  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- King's Shield  
- Flash Cannon  
- Shadow Ball  
- Wide Guard  

Stakataka @ Life Orb  
Ability: Beast Boost  
EVs: 252 HP / 252 Atk / 4 SpD  
Lonely Nature  
IVs: 15 Def / 0 Spe  
- Rock Slide  
- Gyro Ball  
- Protect  
- Trick Room  

Crawdaunt @ Choice Specs  
Ability: Adaptability  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Hidden Power [Grass]  
- Sludge Wave  
- Surf  
- Dark Pulse  

Camerupt-Mega @ Cameruptite  
Ability: Solid Rock  
EVs: 248 HP / 8 Atk / 252 SpA  
Quiet Nature  
IVs: 0 Spe  
- Protect  
- Earth Power  
- Heat Wave  
- Earthquake  

Volcanion @ Life Orb  
Ability: Water Absorb  
EVs: 248 HP / 252 SpA / 8 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Heat Wave  
- Sludge Wave  
- Defog  
- Steam Eruption