Shell Smash Sweeper (Mewtwo) @ Life Orb
Ability: Neutralizing Gas
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 30 HP / 0 Atk  
- Stored Power / Psystrike
- Moonblast / Fire Blast / Close Combat
- Spore / Taunt / Substitute / Fire Blast / Dark Pulse
- Shell Smash