Zygarde @ Life Orb  
Ability: Power Construct  
EVs: 16 HP / 252 Atk / 240 Spe  
Adamant Nature  
- Dragon Dance  
- Thousand Arrows  
- Outrage  
- Rest  

Calyrex-Shadow @ Choice Scarf  
Ability: As One (Spectrier)  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Astral Barrage  
- Psyshock  
- Trick  
- Aromatherapy  

Necrozma-Dusk-Mane @ Heavy-Duty Boots  
Ability: Prism Armor  
EVs: 252 HP / 248 Def / 8 Spe  
Impish Nature  
- Stealth Rock  
- Sunsteel Strike  
- Morning Sun  
- Earthquake  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 72 SpD / 188 Spe  
Jolly Nature  
- Defog  
- Foul Play  
- Roost  
- U-turn  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 252 Atk / 48 SpD / 208 Spe  
Adamant Nature  
- Behemoth Blade  
- Close Combat  
- Wild Charge  
- Rest  

Eternatus @ Utility Umbrella  
Ability: Pressure  
EVs: 248 HP / 252 SpD / 8 Spe  
Timid Nature  
- Dragon Tail  
- Toxic  
- Flamethrower  
- Recover