Muk-Alola @ Black Sludge  
Ability: Neutralizing Gas  
Tera Type: Water  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Knock Off  
- Gunk Shot  
- Recover  
- Stealth Rock / Curse  

Muk-Alola @ Assault Vest  
Ability: Neutralizing Gas  
Tera Type: Poison  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Gunk Shot  
- Knock Off  
- Sucker Punch  
- Fire Punch