Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 16 HP / 252 Def / 184 SpD / 56 Spe  
Impish Nature  
- Thousand Waves  
- Thousand Arrows  
- Rest  
- Dragon Dance  

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

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

Lugia @ Heavy-Duty Boots  
Ability: Multiscale  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Ice Beam  
- Roost  
- Thunder Wave  
- Whirlwind  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 248 HP / 252 Atk / 8 Spe  
Adamant Nature  
- Protect  
- Play Rough  
- Wild Charge  
- Close Combat  

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