Kyogre @ Wacan Berry  
Ability: Drizzle  
Tera Type: Fairy  
EVs: 184 HP / 252 SpA / 72 Spe  
Modest Nature  
IVs: 0 Atk  
- Calm Mind  
- Thunder  
- Ice Beam  
- Surf  

Flutter Mane @ Heavy-Duty Boots  
Ability: Protosynthesis  
Tera Type: Ghost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shadow Ball  
- Moonblast  
- Taunt  
- Calm Mind  

Toxapex @ Mental Herb  
Ability: Regenerator  
Tera Type: Ground  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Infestation  
- Toxic Spikes  
- Haze  
- Recover  

Koraidon @ Choice Scarf  
Ability: Orichalcum Pulse  
Tera Type: Fire  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Low Kick  
- Dragon Claw  
- U-turn  
- Flare Blitz  

Groudon @ Rocky Helmet  
Ability: Drought  
Tera Type: Fairy  
EVs: 248 HP / 216 Def / 44 Spe  
Impish Nature  
- Precipice Blades  
- Spikes  
- Roar  
- Will-O-Wisp  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
Tera Type: Steel  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Behemoth Blade  
- Wild Charge  
- Play Rough