17 Mountain
4 Terramorphic Expanse
3 Valakut, the Molten Pinnacle
3 Arc Trail
1 Chandra Ablaze
3 Comet Storm
3 Fireball
3 Galvanic Blast
2 Hoard-Smelter Dragon
2 Iron Myr
3 Kargan Dragonlord
2 Koth of the Hammer
4 Lightning Bolt
4 Myr Galvanizer
4 Palladium Myr
2 Steel Hellkite
Sideboard:
1 Combust
1 Destructive Force
1 Leyline of Punishment
1 Melt Terrain
1 Tectonic Edge
1 Turn to Slag