Calyrex-Shadow @ Mental Herb  
Ability: Neutralizing Gas  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
IVs: 30 HP / 0 Atk  
- Recover  
- Stealth Rock  
- King's Shield  
- Taunt  

Regieleki @ Safety Goggles  
Ability: No Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Jolly Nature  
IVs: 0 Atk  
- Gastro Acid  
- Fissure  
- Sheer Cold  
- Recover  

Eternatus-Eternamax @ Safety Goggles  
Ability: Neutralizing Gas  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 240 SpD / 252 Spe  
Careful Nature  
- Spectral Thief  
- Spikes  
- Final Gambit  
- Whirlwind  

Eternatus-Eternamax @ Safety Goggles  
Ability: Neutralizing Gas  
EVs: 252 HP / 252 Atk / 240 Def / 252 SpA / 252 SpD / 252 Spe  
Impish Nature  
- Spectral Thief  
- Spikes  
- Final Gambit  
- Whirlwind  

Regieleki @ Choice Scarf  
Ability: Comatose  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
IVs: 30 HP  
- Sleep Talk  
- Dynamax Cannon  
- Copycat  
- Whirlwind  

Obstagoon @ Safety Goggles  
Ability: Neutralizing Gas  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Rash Nature  
IVs: 30 HP  
- Stored Power  
- Shell Smash  
- Power Trip  
- Spore