Bellossom @ Leftovers  
Ability: Chlorophyll  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Strength Sap  
- Giga Drain  
- Sleep Powder / Sludge Bomb / Moonblast

Other options: Safeguard or Substitute in the fourth slot