Specially Defensive (Dustox) @ Black Sludge  
Ability: Shield Dust  
EVs: 252 HP / 4 SpA / 252 SpD  
Sassy Nature  
- Sludge Bomb  
- U-turn  
- Toxic / Whirlwind
- Roost  

Physically Defensive (Dustox) @ Black Sludge  
Ability: Shield Dust  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
- Sludge Bomb  
- U-turn  
- Toxic / Whirlwind
- Roost