Dragapult @ Choice Specs  
Ability: Infiltrator  
Tera Type: Dragon  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Draco Meteor  
- Shadow Ball  
- Fire Blast  
- Flamethrower  

Venusaur @ Custap Berry  
Ability: Overgrow  
Tera Type: Grass  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
- Frenzy Plant  
- Sludge Bomb  
- Earth Power  
- Endure  

Avalugg-Hisui @ Choice Band  
Ability: Sturdy  
Tera Type: Ice  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Mountain Gale  
- Earthquake  
- Heavy Slam  
- Mirror Coat