2 Great Furnace
12 Mountain
3 Snow-Covered Mountain
2 Urza's Mine
2 Urza's Power Plant
2 Urza's Tower
1 Bathe in Dragonfire
1 Boulder Salvo
4 Brimstone Volley
2 Chandra, Torch of Defiance
1 Devil's Play
4 Disintegrate
1 Dual Casting
3 Grim Lavamancer
4 Guttersnipe
2 Lava Burst
4 Lightning Strike
1 Meekstone
1 Mizzium Mortars
1 Pyromancer's Gauntlet
4 Searing Spear
1 Seething Song
1 Silent Arbiter
1 Sol Ring
2 Volcanic Geyser
2 Young Pyromancer
Sideboard:
2 Blazing Volley
1 Dingus Egg
2 Flashfires
1 Kormus Bell
1 Magnetic Mountain
1 Stormbreath Dragon
2 Tremor
3 Wall of Heat
1 Wall of Stone
1 Wall of Stone