Sceptile-Mega @ Focus Sash  
Ability: No Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fissure  
- Spore  
- Sticky Web  
- Stealth Rock  

Diancie-Mega @ Life Orb  
Ability: Parental Bond  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Mild Nature  
- Shell Smash  
- Moonblast  
- Sunsteel Strike  
- Moongeist Beam  

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  
- Spectral Thief  
- 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  
Hasty Nature  
IVs: 0 Atk / 0 Def  
- Stealth Rock  
- Baton Pass  
- Shell Smash  
- Glare