Forretress @ Custap Berry  
Ability: Sturdy  
EVs: 40 HP / 216 Atk / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Rapid Spin  
- Earthquake  
- Explosion  

Gyarados-Mega @ Gyaradosite  
Ability: Intimidate  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Taunt  
- Waterfall  
- Crunch  

Chesnaught @ Salac Berry  
Ability: Overgrow  
EVs: 12 HP / 244 Atk / 252 Spe  
Jolly Nature  
- Substitute  
- Belly Drum  
- Seed Bomb  
- Drain Punch  

Zygarde @ Leftovers  
Ability: Aura Break  
EVs: 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Coil  
- Glare  
- Extreme Speed  
- Earthquake  

Thundurus (M) @ Rocky Helmet  
Ability: Prankster  
EVs: 248 HP / 8 SpA / 252 Spe  
Timid Nature  
- Thunder Wave  
- Hidden Power [Ice]  
- Knock Off  
- Volt Switch  

Talonflame @ Sharp Beak  
Ability: Gale Wings  
EVs: 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Roost  
- Swords Dance  
- Flare Blitz  
- Brave Bird