19 Mountain
4 Chain Lightning
4 Fireblast
4 Flame Rift
4 Goblin Guide
3 Grim Lavamancer
3 Hellspark Elemental
3 Keldon Marauders
4 Lava Spike
4 Lightning Bolt
4 Price of Progress
4 Rift Bolt
Sideboard:
1 Grim Lavamancer
1 Hellspark Elemental
1 Pithing Needle
3 Pyroblast
2 Relic of Progenitus
2 Skullcrack
4 Smash to Smithereens