Zacian-Crowned @ Metal Coat  
Ability: Neutralizing Gas  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Double Iron Bash  
- Bolt Beak  
- Substitute  
- Fissure  

Zacian-Crowned @ Leftovers  
Ability: Neutralizing Gas  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Double Iron Bash  
- Substitute  
- Taunt  
- Guillotine  

Obstagoon @ Lum Berry  
Ability: Neutralizing Gas  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Power Trip  
- Spore  
- Shell Smash  
- Horn Drill  

Giratina @ Safety Goggles  
Ability: Neutralizing Gas  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Spectral Thief  
- Court Change  
- Roost  
- Horn Drill  

Eternatus-Eternamax @ Safety Goggles  
Ability: Neutralizing Gas  
EVs: 248 HP / 252 Atk / 240 Def / 252 SpA / 252 SpD / 252 Spe  
Impish Nature  
- Knock Off  
- Aromatherapy  
- Clear Smog  
- Taunt  

Landorus-Therian (M) @ Lum Berry  
Ability: Magic Bounce  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Thousand Arrows  
- Fissure  
- Knock Off  
- Recover