Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 44 HP / 184 Def / 252 SpA / 28 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Substitute  

Calyrex-Shadow @ Leftovers  
Ability: As One (Spectrier)  
EVs: 236 HP / 20 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Astral Barrage  
- Baton Pass  
- Substitute  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 224 Def / 32 Spe  
Impish Nature  
- Dragon Dance  
- Sunsteel Strike  
- Earthquake  
- Morning Sun  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 8 Def / 252 SpD  
Careful Nature  
IVs: 28 Spe  
- Foul Play  
- Sucker Punch  
- Defog  
- Roost  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 252 HP / 52 Def / 188 SpD / 16 Spe  
Timid Nature  
IVs: 0 Atk  
- Mystical Fire  
- Toxic  
- Dynamax Cannon  
- Recover  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 184 HP / 196 Atk / 16 SpD / 112 Spe  
Jolly Nature  
- Behemoth Blade  
- Close Combat  
- Crunch  
- Swords Dance