Def (Grotle) @ Leftovers  
Ability: Overgrow  
EVs: 248 HP / 252 Def / 8 Spe  
Impish Nature  
- Seed Bomb  
- Synthesis  
- Stealth Rock / Leech Seed
- Return / Leech Seed / Superpower

SpDef (Grotle) @ Leftovers  
Ability: Overgrow  
EVs: 248 HP / 252 SpD / 8 Spe  
Careful Nature  
- Seed Bomb  
- Synthesis  
- Stealth Rock / Leech Seed 
- Return / Leech Seed / Superpower