Gyarados @ Lum Berry  
Ability: Moxie  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Waterfall  
- Ice Fang  
- Earthquake  

Garchomp @ Choice Scarf  
Ability: Rough Skin  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Claw  
- Outrage  
- Earthquake  
- Stone Edge  

Mamoswine @ Focus Sash  
Ability: Oblivious  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Earthquake  
- Ice Shard  
- Icicle Spear  

Infernape @ Choice Band  
Ability: Iron Fist  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Flare Blitz  
- Close Combat  
- Mach Punch  
- Thunder Punch