Mewtwo-Mega-X @ Focus Sash  
Ability: Dazzling  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Adamant Nature  
- Photon Geyser  
- Close Combat  
- Spectral Thief  
- Shell Smash  

Mewtwo-Mega-X @ Focus Sash  
Ability: Dazzling  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Adamant Nature  
- Photon Geyser  
- Close Combat  
- Spectral Thief  
- Shell Smash  

Mewtwo-Mega-Y @ Focus Sash  
Ability: Magic Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Spectral Thief  
- Mind Blown  
- Light of Ruin  
- Photon Geyser  

Mewtwo-Mega-Y @ Lum Berry  
Ability: No Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Zap Cannon  
- Magma Storm  
- Strength Sap  
- Lovely Kiss  

Mewtwo-Mega-X @ Life Orb  
Ability: Technician  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Storm Throw  
- Frost Breath  
- Spikes  
- Sunsteel Strike  

Mewtwo-Mega-X @ Pixie Plate  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Boomburst  
- Close Combat  
- Rapid Spin  
- Extreme Speed