Kyurem-Black @ Mental Herb  
Ability: Neutralizing Gas  
Tera Type: Ice  
EVs: 252 HP / 252 Atk / 252 Def / 164 SpD / 252 Spe  
Adamant Nature  
- Taunt  
- Magic Room  
- Shell Smash  
- Glacial Lance  

Regieleki @ Ability Shield  
Ability: Wonder Guard  
Tera Type: Grass  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Taunt  
- Knock Off  
- Corrosive Gas  
- Shed Tail  

Groudon-Primal @ Ability Shield  
Ability: Good as Gold  
Tera Type: Flying  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Spore  
- Shell Smash  
- Torch Song  
- Baton Pass  

Ogerpon-Wellspring (F) @ Ability Shield  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Spore  
- Victory Dance  
- Surging Strikes  
- Baton Pass  

Eternatus @ Choice Scarf  
Ability: Regenerator  
Tera Type: Dragon  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Trick  
- Shed Tail  
- Clanging Scales  
- Baton Pass  

Deoxys-Speed @ Leppa Berry  
Ability: Wonder Guard  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Revival Blessing  
- Recycle  
- Tidy Up  
- Baton Pass