Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
- Scald  
- Toxic / Knock Off / Toxic Spikes
- Haze  
- Recover

Take note that Scald burns / Toxic / Toxic Spikes might interfere with your Glare Spam strategy