Stratusaur @ Heavy-Duty Boots  
Ability: Electro Overload  
Tera Type: ???  
EVs: 156 HP / 252 SpA / 100 Spe  
Modest Nature  
IVs: 0 Atk  
- Aeroblast  
- Thunderbolt  
- Thunderclap  
- Volt Switch  

Heliolisk-Ancient @ Heavy-Duty Boots  
Ability: Galvanize  
Tera Type: ???  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Double-Edge  
- Fire Lash  
- Quick Attack  
- U-turn  

Tyrantrum @ Life Orb  
Ability: Strong Jaw  
Tera Type: Rock  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Draconic Rend  
- Crunch  
- High Horsepower  
- Dragon Dance  

Rampardos @ Choice Scarf  
Ability: Head Barrage  
Tera Type: Rock  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Head Smash  
- Moonblast  
- Earthquake  
- Ice Beam  

Carracosta @ Black Sludge  
Ability: Leatherback  
Tera Type: Water  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Gunk Shot  
- Knock Off  
- Stealth Rock  
- Trash Compactor  

Tornadus-Hibernal @ Heavy-Duty Boots  
Ability: Sticky Hold  
Tera Type: ???  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
- Bleakwind Storm  
- Sludge Bomb  
- Defog  
- U-turn