15 Mountain
4 Steam Vents
4 Volcanic Island
2 Browbeat
4 Crack the Earth
4 Flame Rift
4 Force of Will
4 Lava Blister
4 Lightning Bolt
4 Nivmagus Elemental
3 Raze
4 Stifle
4 Tremble
Sideboard:
2 Breaking Point
1 Landslide
4 Lava Runner
4 Pyroclasm
4 Red Elemental Blast