Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 252 HP / 160 SpD / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Recover  
- Toxic  
- Mystical Fire  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Leech Seed  
- Spikes  
- Knock Off  
- Curse  

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

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

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 64 SpD / 192 Spe  
Jolly Nature  
IVs: 0 Atk  
- Foul Play  
- Taunt  
- Roost  
- Defog  

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