Swalot @ Black Sludge  
Ability: Sticky Hold  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Earthquake  
- Toxic / Infestation
- Rest  
- Sleep Talk  

Swalot @ Black Sludge / Rocky Helmet
Ability: Sticky Hold  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Earthquake  
- Toxic / Infestation
- Rest / Gunk Shot
- Sleep Talk / Pain Split

Swalot @ Assault Vest 
Ability: Sticky Hold  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Earthquake  
- Gunk Shot
- Ice Punch
- Power-up Punch