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

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Play Rough  
- Close Combat  
- Wild Charge  
- Protect  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 76 SpD / 184 Spe  
Jolly Nature  
- Taunt  
- Foul Play  
- Knock Off  
- Roost  

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

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 252 HP / 28 Def / 212 SpD / 16 Spe  
Timid Nature  
IVs: 0 Atk  
- Recover  
- Toxic  
- Dynamax Cannon  
- Flamethrower  

Regieleki @ Heavy-Duty Boots  
Ability: Transistor  
EVs: 28 Def / 252 SpA / 228 Spe  
Modest Nature  
IVs: 0 Atk  
- Volt Switch  
- Rapid Spin  
- Thunderbolt  
- Ancient Power