Kyogre-Primal @ Blue Orb  
Ability: Primordial Sea  
EVs: 248 HP / 164 Def / 52 SpA / 24 SpD / 20 Spe  
Bold Nature  
IVs: 0 Atk  
- Toxic  
- Origin Pulse  
- Ice Beam  
- Thunder Wave  

Zekrom @ Dragonium Z  
Ability: Teravolt  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Bolt Strike  
- Outrage  
- Substitute  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
Tera Type: Fighting  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Swords Dance  
- Behemoth Blade  
- Wild Charge  
- Close Combat  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 140 Def / 120 SpD  
Relaxed Nature  
- Precipice Blades  
- Stealth Rock  
- Rock Tomb  
- Overheat  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Fairy  
EVs: 248 HP / 204 Def / 56 SpD  
Impish Nature  
- Sacred Fire  
- Toxic  
- Defog  
- Whirlwind  

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