Clefable @ Leftovers  
Ability: Magic Guard  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Moonblast  
- Stealth Rock  
- Heal Bell  
- Soft-Boiled  

Toxapex @ Shed Shell  
Ability: Regenerator  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
- Haze  
- Scald  
- Knock Off  
- Recover  

Gastrodon @ Heavy-Duty Boots  
Ability: Storm Drain  
EVs: 252 HP / 20 Def / 212 SpD / 24 Spe  
Calm Nature  
IVs: 0 Atk  
- Earth Power  
- Scald  
- Protect  
- Recover  

Aegislash @ Leftovers  
Ability: Stance Change  
EVs: 252 HP / 252 SpA / 4 Spe  
Modest Nature  
IVs: 0 Atk  
- King's Shield  
- Shadow Ball  
- Substitute  
- Toxic  

Buzzwole @ Heavy-Duty Boots  
Ability: Beast Boost  
EVs: 252 HP / 64 Atk / 80 Def / 112 Spe  
Adamant Nature  
- Close Combat  
- Toxic  
- Ice Punch  
- Roost  

Tornadus-Therian (M) @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 84 SpA / 176 Spe  
Timid Nature  
IVs: 0 Atk  
- Taunt  
- Nasty Plot  
- Hurricane  
- Focus Blast