Heatran @ Leftovers  
Ability: Flame Body  
EVs: 252 HP / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Lava Plume  
- Stealth Rock  

Magikarp  
Ability: Swift Swim  
EVs: 252 Atk / 252 Spe  
Mild Nature  
IVs: 0 Atk  
- Splash  

Volcarona @ Leftovers  
Ability: Swarm  
EVs: 252 HP / 252 Def / 4 Spe  
Bold Nature  
IVs: 0 Atk  
- Quiver Dance  
- Flamethrower  
- Roost  
- Hidden Power [Rock]