Groudon @ Leftovers  
Ability: Drought  
Tera Type: Ground  
EVs: 240 HP / 252 Atk / 16 Spe  
Adamant Nature  
- Heat Crash  
- Precipice Blades  
- Stone Edge  
- Swords Dance  

Eternatus @ Life Orb  
Ability: Pressure  
Tera Type: Poison  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Sludge Bomb  
- Recover  
- Flamethrower  

Milotic @ Sablenite  
Ability: Competitive  
Tera Type: Water  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Flip Turn  
- Recover  
- Haze  
- Ice Beam  

Regieleki @ Altarianite  
Ability: Transistor  
Tera Type: Electric  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naughty Nature  
- Rapid Spin  
- Explosion  
- Extreme Speed  
- Volt Switch  

Garganacl @ Latiasite  
Ability: Purifying Salt  
Tera Type: Rock  
EVs: 252 HP / 28 Def / 228 SpD  
Sassy Nature  
IVs: 0 Spe  
- Salt Cure  
- Stealth Rock  
- Recover  
- Iron Defense  

Ceruledge @ Lucarionite  
Ability: Flash Fire  
Tera Type: Fire  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Poltergeist  
- Bitter Blade  
- Shadow Sneak