20 Mountain
4 Chain Lightning
4 Fireblast
4 Flame Rift
4 Goblin Guide
4 Grim Lavamancer
4 Lava Spike
4 Lightning Bolt
4 Rift Bolt
2 Searing Blaze
3 Sulfuric Vortex
3 Volcanic Fallout
Sideboard:
4 Magma Jet
1 Pithing Needle
4 Price of Progress
4 Red Elemental Blast
2 Searing Blaze
4 Smelt
2 Sudden Shock
1 Sulfuric Vortex
1 Volcanic Fallout