Canopus (Yveltal) @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 224 HP / 32 Atk / 252 SpD  
Adamant Nature  
- Sucker Punch  
- Foul Play  
- U-turn  
- Roost  

The Sun (Necrozma-Dusk-Mane) @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 188 Def / 68 SpD  
Impish Nature  
- Knock Off  
- Stealth Rock  
- Earthquake  
- Morning Sun  

Sirus (Eternatus) @ Black Sludge  
Ability: Pressure  
EVs: 252 HP / 56 Def / 184 SpD / 16 Spe  
Timid Nature  
IVs: 0 Atk  
- Recover  
- Dynamax Cannon  
- Toxic  
- Shadow Ball  

Arcturus (Ditto) @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
IVs: 30 Atk  
- Transform  

Betelgeuse (Regieleki) @ Heavy-Duty Boots  
Ability: Transistor  
EVs: 28 Def / 252 SpA / 228 Spe  
Modest Nature  
IVs: 0 Atk  
- Volt Switch  
- Thunderbolt  
- Rapid Spin  
- Rising Voltage  

Alpha Centauri (Calyrex-Shadow) @ Choice Specs  
Ability: As One (Spectrier)  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Draining Kiss  
- Astral Barrage  
- Psyshock