Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 252 HP / 212 SpD / 44 Spe  
Timid Nature  
- Dynamax Cannon  
- Flamethrower  
- Toxic  
- Recover  

Lunala @ Heavy-Duty Boots  
Ability: Shadow Shield  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Ice Beam  
- Will-O-Wisp  
- Hex  
- Roost  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Knock Off  
- U-turn  
- Defog  
- Roost  

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

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

Calyrex-Shadow @ Life Orb  
Ability: As One (Spectrier)  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Astral Barrage  
- Nasty Plot  
- Psyshock  
- Draining Kiss