Amoonguss @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 168 Def / 88 SpD  
Bold Nature  
IVs: 0 Atk  
- Spore  
- Giga Drain  
- Sludge Bomb  
- Foul Play  

Tornadus-Therian (M) @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
- Hurricane  
- Knock Off  
- U-turn  
- Defog  

Toxapex @ Rocky Helmet  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Knock Off  
- Recover  
- Haze  
- Toxic Spikes  

Corviknight @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 168 Def / 88 SpD  
Impish Nature  
- Body Press  
- U-turn  
- Defog  
- Roost  

Blissey (F) @ Heavy-Duty Boots  
Ability: Natural Cure  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Seismic Toss  
- Soft-Boiled  
- Aromatherapy  
- Teleport  

Quagsire @ Leftovers  
Ability: Unaware  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Atk  
- Scald  
- Protect  
- Recover  
- Toxic