Kartana @ Fire Memory  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Leaf Blade  
- Shell Smash  
- Multi-Attack  
- Sunsteel Strike  

Kartana @ Focus Sash  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Ice Shard  
- Sunsteel Strike  
- Shell Smash  
- Spore  

Groudon-Primal @ Focus Sash  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Shell Smash  
- Ice Shard  
- Bonemerang  
- Sunsteel Strike  

Blissey (F) @ Safety Goggles  
Ability: Innards Out  
EVs: 252 HP / 252 Atk / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
IVs: 0 Def  
- Shore Up  
- Spectral Thief  
- Whirlwind  
- Baton Pass  

Gengar-Mega @ Focus Sash  
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Shell Smash  
- Bug Buzz  
- Moongeist Beam  
- Secret Sword  

Mewtwo-Mega-X @ Focus Sash  
Ability: Magic Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Shadow Sneak  
- Spectral Thief  
- Photon Geyser  
- Shell Smash