Mewtwo-Mega-X @ Leppa Berry  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Lonely Nature  
- Light That Burns the Sky  
- Sunsteel Strike  
- Extreme Evoboost  
- Bonemerang  

Mewtwo-Mega-X @ Focus Sash  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Defog  
- Stealth Rock  
- Destiny Bond  
- U-turn  

Mewtwo-Mega-X @ Choice Scarf  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Adamant Nature  
- Light That Burns the Sky  
- Searing Sunraze Smash  
- Trick  
- Pursuit  

Empoleon @ Safety Goggles  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Spectral Thief  
- Recover  
- Whirlwind  
- Baton Pass  

Blissey (F) @ Lum Berry  
Ability: Innards Out  
EVs: 252 HP / 252 Atk / 252 SpD / 252 Spe  
Gentle Nature  
- Magic Coat  
- Stealth Rock  
- Recover  
- U-turn  

Rayquaza-Mega @ Leppa Berry  
Ability: Mold Breaker  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Clangorous Soulblaze  
- Clanging Scales  
- Spore  
- Searing Shot