Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 248 HP / 20 Def / 240 SpD  
Calm Nature  
IVs: 0 Atk  
- Toxic Spikes / Knock Off / Toxic
- Scald  
- Haze  
- Recover  

Tangrowth @ Assault Vest
Ability: Regenerator
EVs: 248 HP / 252 SpD / 8 Spe
Sassy Nature
- Giga Drain / Power Whip
- Knock Off / Payback
- Earthquake / Focus Blast
- Sludge Bomb