18 Mountain
4 Chain Lightning
4 Fireblast
4 Incinerate
4 Keldon Marauders
4 Kiln Fiend
4 Lava Spike
4 Lightning Bolt
4 Manamorphose
4 Mutagenic Growth
4 Rift Bolt
4 Spark Elemental
Sideboard:
4 Molten Rain
3 Red Elemental Blast
4 Searing Blaze
4 Smash to Smithereens