Amoonguss @ Black Sludge  
Ability: Regenerator  
EVs: 248 HP / 56 Def / 204 SpD  
Calm Nature  
- Spore  
- Giga Drain  
- Hidden Power [Fire]  
- Sludge Bomb  

Slowbro-Mega @ Slowbronite  
Ability: Regenerator  
EVs: 248 HP / 152 Def / 88 SpA / 20 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Fire Blast  
- Slack Off  
- Toxic