Mewtwo-Mega-Y @ Terrain Extender  
Ability: Psychic Surge  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Taunt  
- Sticky Web  
- Light That Burns the Sky  
- Stealth Rock  

Mewtwo-Mega-X @ Focus Sash  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Jolly Nature  
- Photon Geyser  
- Light That Burns the Sky  
- Sunsteel Strike  
- Beat Up  

Kyurem-White @ Leppa Berry  
Ability: Comatose  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sleep Talk  
- Whirlwind  
- Clangorous Soulblaze  
- Menacing Moonraze Maelstrom  

Mewtwo-Mega-X @ Focus Sash  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Adamant Nature  
- Photon Geyser  
- Storm Throw  
- Megahorn  
- Searing Sunraze Smash  

Yveltal @ Leppa Berry  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Shell Smash  
- Power Trip  
- Searing Sunraze Smash  
- Lovely Kiss  

Blissey (F) @ Terrain Extender  
Ability: Innards Out  
EVs: 252 HP / 252 SpD / 252 Spe  
Gentle Nature  
IVs: 0 Atk / 0 Def  
- Psychic Terrain  
- Baton Pass  
- Glare  
- Taunt