Calyrex-Shadow @ Ability Shield  
Ability: Wonder Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
Tera Type: Fairy  
- Corrosive Gas  
- Moongeist Beam  
- Photon Geyser  
- Shell Smash  

Yveltal @ Heavy-Duty Boots  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
Tera Type: Ghost  
- Ceaseless Edge  
- Victory Dance  
- Revival Blessing  
- Baton Pass  

Giratina @ Ability Shield  
Ability: Magic Bounce  
EVs: 252 HP / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
Tera Type: Steel  
- Shed Tail  
- Tidy Up  
- Baton Pass  
- Recover  

Arceus-Fairy @ Ability Shield  
Ability: Wonder Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
Tera Type: Steel  
- Taunt  
- Tidy Up  
- Fleur Cannon  
- Baton Pass  

Groudon-Primal @ Mental Herb  
Ability: Neutralizing Gas  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
Tera Type: Grass  
- Headlong Rush  
- Bitter Blade  
- Victory Dance  
- Magic Room  

Mewtwo-Mega-X @ Ability Shield  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
Tera Type: Water  
- Corrosive Gas  
- Drain Punch  
- Victory Dance  
- Photon Geyser