Blissey @ Heavy-Duty Boots  
Ability: Natural Cure  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Rapid Spin / Seismic Toss  
- Soft-Boiled  
- Glare / Toxic / Wish / Stealth Rock
- Teleport / Transform