Mewtwo-Mega-Y @ Terrain Extender  
Ability: Psychic Surge  
Shiny: Yes  
EVs: 248 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Spore  
- Photon Geyser  
- Stealth Rock  
- U-turn  

Gyarados-Mega @ Safety Goggles  
Ability: Magic Guard  
Shiny: Yes  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Pursuit  
- Spectral Thief  
- Sunsteel Strike  
- Defog  

Gengar-Mega @ Focus Sash  
Ability: No Guard  
Shiny: Yes  
EVs: 248 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sing  
- Sheer Cold  
- Moongeist Beam  
- Shell Smash  

Mewtwo-Mega-X @ Choice Scarf  
Ability: Huge Power  
Shiny: Yes  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Jolly Nature  
- V-create  
- Photon Geyser  
- U-turn  
- Sacred Sword  

Mewtwo-Mega-Y @ Focus Sash  
Ability: Parental Bond  
Shiny: Yes  
EVs: 248 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moongeist Beam  
- Photon Geyser  
- Shell Smash  
- Spore  

Kartana @ Focus Sash  
Ability: Prankster  
Shiny: Yes  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 248 Spe  
Jolly Nature  
- Sticky Web  
- Spectral Thief  
- Imprison  
- Destiny Bond