Gothitelle @ Leftovers  
Ability: Shadow Tag  
EVs: 248 HP / 252 Def / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Charm  
- Rest  
- Taunt  
- Heal Bell  

Dugtrio @ Air Balloon  
Ability: Arena Trap  
EVs: 8 HP / 252 Atk / 232 Def / 16 Spe  
Adamant Nature  
- Earthquake  
- Stone Edge  
- Agility  
- Hone Claws  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 232 SpD / 24 Spe  
Calm Nature  
IVs: 0 Atk  
- Foul Play  
- Oblivion Wing  
- Defog  
- Roost  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 144 HP / 252 Atk / 36 Def / 76 Spe  
Adamant Nature  
- Play Rough  
- Behemoth Blade  
- Wild Charge  
- Agility  

Skarmory @ Rocky Helmet  
Ability: Sturdy  
EVs: 248 HP / 244 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Spikes  
- Roost  
- Whirlwind  
- Counter  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 248 HP / 16 Def / 200 SpD / 44 Spe  
Careful Nature  
- Dynamax Cannon  
- Dragon Tail  
- Toxic  
- Recover