Eternatus @ Aggronite  
Ability: Pressure  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Recover  
- Flamethrower  
- Sludge Bomb  
- Cosmic Power  

Lunala @ Audinite  
Ability: Shadow Shield  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Roost  
- Psyshock  
- Defog  
- Moonblast

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

Yveltal @ Sablenite  
Ability: Dark Aura  
EVs: 248 HP / 8 Atk / 252 SpA  
Mild Nature  
- Roost  
- Sucker Punch  
- Oblivion Wing  
- Dark Pulse  

Rayquaza @ Altarianite  
Ability: Air Lock  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Extreme Speed  
- Dragon Dance  
- V-create  
- Outrage  

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