Kyogre-Primal @ Blue Orb  
Ability: Primordial Sea  
EVs: 248 HP / 36 Def / 160 SpA / 64 Spe  
Modest Nature  
IVs: 0 Atk  
- Rest  
- Calm Mind  
- Origin Pulse  
- Ice Beam  

Lunala @ Heavy-Duty Boots  
Ability: Shadow Shield  
EVs: 252 HP / 252 Def / 4 Spe  
Bold Nature  
IVs: 0 Atk  
- Hex  
- Will-O-Wisp  
- Toxic  
- Roost  

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

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 192 Def / 52 SpD / 16 Spe  
Impish Nature  
- Sacred Fire  
- Toxic  
- Whirlwind  
- Defog  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 36 Def / 220 SpD  
Careful Nature  
- Stealth Rock  
- Precipice Blades  
- Dragon Tail  
- Toxic  

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