Registeel @ Maranga Berry  
Ability: Clear Body  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Rest  
- Iron Defense  
- Body Press  
- Shadow Claw  

Pelipper @ Damp Rock  
Ability: Drizzle  
EVs: 248 HP / 252 Def / 8 SpA  
Bold Nature  
- Roost  
- Scald  
- Hurricane  
- U-turn  

Barraskewda @ Choice Band  
Ability: Swift Swim  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Liquidation  
- Flip Turn  
- Close Combat  
- Psychic Fangs  

Thundurus-Therian (M) @ Heavy-Duty Boots  
Ability: Volt Absorb  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Defog  
- Thunder  
- Weather Ball  
- Volt Switch  

Buzzwole @ Leftovers  
Ability: Beast Boost  
EVs: 252 HP / 144 Def / 112 Spe  
Impish Nature  
- Bulk Up  
- Roost  
- Drain Punch  
- Ice Punch  

Blissey (F) @ Heavy-Duty Boots  
Ability: Natural Cure  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
- Stealth Rock  
- Seismic Toss  
- Soft-Boiled  
- Shadow Ball