Tyranitar @ Smooth Rock  
Ability: Sand Stream  
EVs: 248 HP / 184 Atk / 68 Def / 8 Spe  
Adamant Nature  
- Stealth Rock  
- Pursuit  
- Stone Edge  
- Superpower  

Garchomp-Mega @ Garchompite  
Ability: Rough Skin  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Swords Dance  
- Earthquake  
- Stone Edge  
- Substitute  

Serperior (F) @ Light Clay  
Ability: Contrary  
EVs: 208 HP / 48 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Taunt  
- Reflect  
- Light Screen  

Excadrill (M) @ Air Balloon  
Ability: Sand Rush  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Rock Slide  
- Earthquake  
- Iron Head  
- Rapid Spin  

Volcarona (F) @ Lum Berry  
Ability: Flame Body  
EVs: 212 Def / 68 SpA / 228 Spe  
Modest Nature  
IVs: 1 Atk / 30 SpA / 30 SpD  
- Quiver Dance  
- Flamethrower  
- Giga Drain  
- Hidden Power [Ground]  

Thundurus (M) @ Leftovers  
Ability: Prankster  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk / 30 Def  
- Nasty Plot  
- Thunderbolt  
- Hidden Power [Ice]  
- Thunder Wave