Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
- Scald  
- Knock Off  
- Haze  
- Recover  

Ditto @ Choice Scarf  
Ability: Imposter  
Hidden Power: Ground  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
- Transform