Tangrowth @ Rocky Helmet  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
- Apple Acid  
- Sludge Bomb  
- Focus Blast / Knock Off
- Sleep Powder / Stun Spore / Strength Sap

Tangrowth @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
- Grav Apple / Apple Acid
- Sludge Bomb
- Earthquake  
- Knock Off