Koraidon @ Heat Rock  
Ability: Orichalcum Pulse  
Tera Type: Fighting  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- U-turn  
- Collision Course  
- Flare Blitz  
- Dragon Claw  

Flutter Mane @ Booster Energy  
Ability: Protosynthesis  
Tera Type: Stellar  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Mystical Fire  
- Moonblast  
- Shadow Ball  
- Power Gem  

Groudon @ Heat Rock  
Ability: Drought  
Tera Type: Fairy  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Spikes  
- Precipice Blades  
- Will-O-Wisp  
- Smack Down  

Miraidon @ Life Orb  
Ability: Hadron Engine  
Tera Type: Grass  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
- Calm Mind  
- Electro Drift  
- Solar Beam  
- Dragon Pulse  

Eternatus @ Power Herb  
Ability: Pressure  
Tera Type: Fire  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Recover  
- Meteor Beam  
- Dynamax Cannon  
- Flamethrower  

Arceus-Water @ Splash Plate  
Ability: Multitype  
Tera Type: Ghost  
EVs: 4 HP / 252 SpA / 252 Spe  
Mild Nature  
- Extreme Speed  
- Judgment  
- Flamethrower  
- Recover