Groudon-Primal @ Leppa Berry  
Ability: Teravolt  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
IVs: 0 SpA  
- Extreme Evoboost  
- Thousand Arrows  
- V-create  
- Catastropika  

Giratina-Origin @ Leppa Berry  
Ability: Innards Out  
EVs: 252 HP / 252 Atk / 252 SpA / 252 Spe  
Naive Nature  
IVs: 0 Def / 0 SpD  
- Sticky Web  
- Shell Smash  
- Menacing Moonraze Maelstrom  
- Searing Sunraze Smash  

Blissey (F) @ Choice Scarf  
Ability: Innards Out  
EVs: 252 HP / 252 SpD / 252 Spe  
Gentle Nature  
IVs: 0 Atk / 0 Def / 0 SpA  
- Switcheroo  
- Whirlwind  
- Shore Up  
- Baton Pass  

Mewtwo-Mega-X @ Leppa Berry  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 76 SpA / 252 SpD / 252 Spe  
Jolly Nature  
- Light That Burns the Sky  
- Photon Geyser  
- First Impression  
- Sunsteel Strike  

Xerneas @ Leppa Berry  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 SpA / 252 Spe  
Hasty Nature  
IVs: 0 Def / 0 SpD  
- Shell Smash  
- Destiny Bond  
- Searing Sunraze Smash  
- Menacing Moonraze Maelstrom  

Kyurem-Black @ Focus Sash  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Shell Smash  
- Catastropika  
- Freeze-Dry  
- Sunsteel Strike