Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 16 HP / 220 Atk / 40 Def / 232 Spe  
Impish Nature  
- Thousand Arrows  
- Dragon Dance  
- Substitute  
- Dragon Tail  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 252 HP / 212 SpD / 44 Spe  
Calm Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Toxic Spikes  
- Recover  
- Flamethrower  

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

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

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 176 SpD / 80 Spe  
Calm Nature  
IVs: 0 Atk  
- Snarl  
- Roost  
- Foul Play  
- Defog  

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