Cloyster @ Lucarionite  
Ability: Shell Armor  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Shell Smash  
- Hydro Pump  
- Ice Beam  
- Spikes  

Iron Thorns @ Metagrossite  
Ability: Quark Drive  
Tera Type: Rock  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Supercell Slam  
- Ice Punch  
- Low Kick  

Dragonite @ Heracronite  
Ability: Inner Focus  
Tera Type: Dragon  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Substitute  
- Dragon Dance  
- Scale Shot  
- Low Kick  

Spectrier @ Altarianite  
Ability: Grim Neigh  
Tera Type: Ghost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shadow Ball  
- Nasty Plot  
- Taunt  
- Draining Kiss  

Eternatus @ Light Clay  
Ability: Pressure  
Tera Type: Poison  
EVs: 252 HP / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Reflect  
- Light Screen  
- Flamethrower  
- Sludge Bomb  

Magearna @ Blue Orb  
Ability: Soul-Heart  
Tera Type: Steel  
EVs: 252 HP / 252 SpA / 4 SpD  
Modest Nature  
IVs: 0 Atk  
- Calm Mind  
- Iron Defense  
- Draining Kiss  
- Stored Power