Necrozma-Dusk-Mane @ Lum Berry  
Ability: Prism Armor  
EVs: 208 HP / 240 Def / 60 Spe  
Impish Nature  
- Dragon Dance  
- Sunsteel Strike  
- Earthquake  
- Morning Sun  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 72 Def / 188 SpD  
Careful Nature  
- Knock Off  
- Roost  
- Defog  
- U-turn  

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  

Kyogre @ Leftovers  
Ability: Drizzle  
EVs: 248 HP / 216 Def / 44 SpD  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Scald  
- Thunder  
- Rest  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Rest  
- Behemoth Blade  
- Sleep Talk  
- Close Combat  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Spe  
- Transform