Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 92 Def / 168 SpD  
Careful Nature  
IVs: 0 Atk  
- Snarl  
- Foul Play  
- Defog  
- Roost  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 144 HP / 252 Def / 112 Spe  
Impish Nature  
- Moonlight  
- Sunsteel Strike  
- Thunder Wave  
- Stealth Rock  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 248 HP / 168 Def / 92 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Flamethrower  
- Recover  
- Toxic Spikes  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 144 HP / 252 Atk / 112 Spe  
Adamant Nature  
- Behemoth Blade  
- Play Rough  
- Crunch  
- Agility  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Poltergeist  
- Close Combat  
- Shadow Sneak  
- Rock Tomb  

Kyurem-Black @ Heavy-Duty Boots  
Ability: Teravolt  
EVs: 40 HP / 252 SpD / 216 Spe  
Jolly Nature  
- Roost  
- Dragon Dance  
- Icicle Spear  
- Fusion Bolt