Muk @ Black Sludge  
Ability: Sticky Hold  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Curse  
- Poison Jab / Fire Punch
- Sleep Talk  
- Rest  

Muk @ Assault Vest
Ability: Sticky Hold  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant / Brave Nature  
- Gunk Shot
- Shadow Sneak
- Fire Punch / Fire Blast
- Explosion
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Optional Move(s):  
- Focus Punch
- Giga Drain
- Ice Punch
- Power-Up Punch
- Thunder Punch
Optional Item(s): 
- Choice Band
Optional Ability:  
- Poison Touch
Optional EV/IV(s): 
- 96 HP / 252 Atk / 160 Spe (Adamant)