Deoxys-Defense @ Black Sludge  
Ability: Pressure  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Spikes / Stealth Rock / Toxic Spikes  
- Taunt / Stealth Rock / Toxic Spikes  
- Recover  

Deoxys-Defense @ Black Sludge  
Ability: Pressure  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Recover  
- Sludge Bomb  
- Hidden Power [Fire]