Heatran @ Leftovers
Ability: Desolate Land
EVs: 252 SpA / 4 SpD / 252 Spe
Modest / Timid Nature
- Magma Storm
- Solar Beam
- Stealth Rock
- Taunt / Toxic 

Heatran @ Choice Scarf / Choice Specs 
Ability: Desolate Land  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest / Timid Nature  
IVs: 0 Atk  
- Eruption  
- Flamethrower  
- Solar Beam / Toxic  
- Earth Power

Heatran @ Leftovers
Ability: Mold Breaker
EVs: 252 HP / 188 SpD / 68 Spe
Calm Nature
- Magma Storm
- Stealth Rock
- Toxic
- Protect / Taunt