Kyogre @ Assault Vest  
Ability: Drizzle  
EVs: 156 HP / 92 Def / 172 SpA / 12 SpD / 76 Spe  
Modest Nature  
IVs: 0 Atk  
- Water Spout  
- Origin Pulse  
- Thunder  
- Ice Beam  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 172 HP / 236 Atk / 100 Spe  
Adamant Nature  
- Behemoth Blade  
- Play Rough  
- Quick Attack  
- Protect  

Ho-Oh @ Weakness Policy  
Ability: Regenerator  
EVs: 184 HP / 252 Atk / 72 Spe  
Adamant Nature  
- Brave Bird  
- Flare Blitz  
- Recover  
- Tailwind  

Calyrex-Shadow @ Focus Sash  
Ability: As One (Spectrier)  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Imprison  
- Trick Room  
- Astral Barrage  
- Protect  

Grimmsnarl @ Babiri Berry  
Ability: Prankster  
Gigantamax: Yes  
EVs: 244 HP / 116 Def / 96 SpD / 52 Spe  
Impish Nature  
- Fake Out  
- Reflect  
- Sucker Punch  
- Thunder Wave  

Zekrom @ Life Orb  
Ability: Teravolt  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Bolt Strike  
- Dragon Dance  
- Scale Shot  
- Protect