Eternatus @ Life Orb  
Ability: Pressure  
Tera Type: Fire  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Sludge Bomb  
- Fire Blast  
- Recover  

Kingambit @ Air Balloon  
Ability: Defiant  
Tera Type: Fire  
EVs: 120 HP / 252 Atk / 136 Spe  
Adamant Nature  
- Swords Dance  
- Low Kick  
- Sucker Punch  
- Iron Head  

Groudon @ Leftovers  
Ability: Drought  
Tera Type: Fairy  
EVs: 248 HP / 32 Atk / 164 Def / 64 Spe  
Adamant Nature  
- Swords Dance  
- Precipice Blades  
- Rock Tomb  
- Thunder Wave  

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

Kyogre @ Heavy-Duty Boots  
Ability: Drizzle  
Tera Type: Fairy  
EVs: 248 HP / 104 Def / 64 SpA / 28 SpD / 64 Spe  
Modest Nature  
IVs: 0 Atk  
- Thunder Wave  
- Thunder  
- Origin Pulse  
- Ice Beam  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
Tera Type: Water  
EVs: 240 HP / 252 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Stealth Rock  
- Will-O-Wisp  
- Recover