Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Stealth Rock  
- Sunsteel Strike  
- Toxic  
- Morning Sun  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
IVs: 28 Spe  
- Knock Off  
- Toxic  
- Defog  
- Roost  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 172 HP / 208 SpD / 128 Spe  
Timid Nature  
IVs: 0 Atk  
- Recover  
- Flamethrower  
- Toxic  
- Dynamax Cannon  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Behemoth Blade  
- Wild Charge  
- Close Combat  
- Assurance  

Calyrex-Shadow @ Leftovers  
Ability: As One (Spectrier)  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Draining Kiss  
- Nasty Plot  
- Astral Barrage  

Yveltal @ Black Glasses  
Ability: Dark Aura  
EVs: 192 HP / 252 Atk / 64 Spe  
Adamant Nature  
- Hone Claws  
- Dual Wingbeat  
- Roost  
- Knock Off