Gyarados-Mega @ Gyaradosite  
Ability: Mold Breaker  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Waterfall  
- Crunch  
- Substitute  

Tapu Koko @ Light Clay  
Ability: Electric Surge  
Tera Type: Electric  
EVs: 252 HP / 4 Def / 252 Spe  
Jolly Nature  
- Reflect  
- Light Screen  
- U-turn  
- Taunt  

Volcarona @ Heavy-Duty Boots  
Ability: Flame Body  
Tera Type: Bug  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Flamethrower  
- Bug Buzz  
- Hidden Power [Ground]  

Garchomp @ Dragonium Z  
Ability: Rough Skin  
Tera Type: Dragon  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Earthquake  
- Outrage  
- Stealth Rock  

Iron Valiant @ Booster Energy  
Ability: Quark Drive  
Tera Type: Fairy  
EVs: 108 Atk / 148 SpA / 252 Spe  
Naive Nature  
- Moonblast  
- Close Combat  
- Knock Off  
- Encore  

Gholdengo @ Air Balloon  
Ability: Good as Gold  
Tera Type: Steel  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Shadow Ball  
- Make It Rain  
- Focus Blast