Regieleki @ Lum Berry  
Ability: Neutralizing Gas  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Knock Off  
- Stealth Rock  
- Lovely Kiss  
- Horn Drill  

Eternatus-Eternamax @ Flame Orb  
Ability: Neutralizing Gas  
EVs: 252 HP / 252 Def / 240 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Lovely Kiss  
- Whirlwind  
- Slack Off  
- Guillotine  

Eternatus-Eternamax @ Safety Goggles  
Ability: Neutralizing Gas  
EVs: 252 HP / 252 Atk / 240 Def / 252 SpD / 252 Spe  
Impish Nature  
- Rapid Spin  
- Spectral Thief  
- Shore Up  
- Fissure  

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

Regieleki @ Air Balloon  
Ability: Wonder Guard  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Gastro Acid  
- Fissure  
- Bolt Beak  
- Substitute  

Yveltal @ Safety Goggles  
Ability: Magic Bounce  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Knock Off  
- Milk Drink  
- Circle Throw  
- Fissure