17 Mountain
1 Valakut, the Molten Pinnacle
4 Aether Vial
4 Goblin Chieftain
4 Goblin Grenade
4 Goblin Guide
4 Goblin Piledriver
3 Goblin Rabblemaster
2 Krenko, Mob Boss
4 Lightning Bolt
4 Mogg War Marshal
2 Skullcrack
2 Stingscourger
1 Tuktuk the Explorer
4 Warren Instigator
Sideboard:
2 Combust
1 Grafdigger's Cage
2 Pyrokinesis
2 Relic of Progenitus
3 Shattering Spree
2 Slagstorm
3 Whipflare