Regieleki @ Leftovers  
Ability: Neutralizing Gas  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Thunder Cage  
- Fissure  
- Taunt  
- Recover  

Regieleki @ Leftovers  
Ability: Neutralizing Gas  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Knock Off  
- Spikes  
- Taunt  
- Recover  

Giratina @ Heavy-Duty Boots  
Ability: Neutralizing Gas  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Knock Off  
- Dragon Tail  
- Whirlwind  
- Recover  

Eternatus-Eternamax @ Heavy-Duty Boots  
Ability: Neutralizing Gas  
EVs: 252 HP / 252 Atk / 252 Def / 240 SpD / 252 Spe  
Careful Nature  
- Fissure  
- Rapid Spin  
- Magic Coat  
- Copycat  

Eternatus-Eternamax @ Black Sludge  
Ability: Neutralizing Gas  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Taunt  
- Substitute  
- Horn Drill  
- Lava Plume  

Eternatus-Eternamax @ Black Sludge  
Ability: Neutralizing Gas  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Taunt  
- Substitute  
- Horn Drill  
- Lava Plume