Muk @ Assault Vest  
Ability: Regenerator  
Tera Type: Poison  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Wave Crash  
- Gunk Shot  
- Flip Turn  
- Knock Off / Wash Away  

Muk @ Black Sludge  
Ability: Regenerator  
Tera Type: Poison  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Wave Crash  
- Knock Off / Gunk Shot  
- Recover  
- Toxic / Toxic Spikes / Haze / Flip Turn