21 Mountain
4 Dragon Fodder
4 Fiery Impulse
4 Goblin Dark-Dwellers
4 Goblin Glory Chaser
4 Goblin Piledriver
3 Impact Tremors
4 Lavastep Raider
4 Outnumber
4 Roast
4 Subterranean Scout
Sideboard:
4 Exquisite Firecraft
4 Smash to Smithereens
3 Stoneforge Masterwork
4 Tears of Valakut