Roselia @ Eviolite  
Ability: Natural Cure  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Giga Drain  
- Extrasensory  
- Synthesis  

Quagsire @ Rocky Helmet  
Ability: Unaware  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Scald  
- Earthquake  
- Toxic  
- Recover  

Skuntank @ Black Sludge  
Ability: Aftermath  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Sludge Bomb  
- Dark Pulse  
- Fire Blast