20 Mountain
4 Chain Lightning
4 Fireblast
4 Goblin Guide
3 Keldon Marauders
4 Lava Spike
4 Lightning Bolt
4 Magma Jet
4 Rift Bolt
3 Sulfuric Vortex
3 Volcanic Fallout
Sideboard:
2 Combust
3 Null Rod
2 Phyrexian Metamorph
3 Ratchet Bomb
2 Shattering Spree
1 Sulfuric Vortex
2 Vexing Shusher