Calyrex-Shadow @ Life Orb  
Ability: As One (Spectrier)  
EVs: 144 Def / 112 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Draining Kiss  
- Astral Barrage  
- Nasty Plot  
- Substitute  

Porygon2 @ Eviolite  
Ability: Analytic  
EVs: 252 HP / 208 Def / 48 SpD  
Bold Nature  
IVs: 0 Atk  
- Recover  
- Foul Play  
- Teleport  
- Ice Beam  

Eternatus @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 212 SpD / 44 Spe  
Calm Nature  
- Dragon Tail  
- Flamethrower  
- Toxic  
- Recover  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 252 Def / 4 Spe  
Bold Nature  
- Transform  

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

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Behemoth Blade  
- Wild Charge  
- Close Combat  
- Assurance