20 Mountain
4 Goblin Guide
4 Keldon Marauders
4 Lava Spike
4 Lightning Bolt
4 Monastery Swiftspear
4 Needle Drop
4 Rift Bolt
4 Skewer the Critics
4 Skullcrack
4 Spark Elemental
Sideboard:
3 Grafdigger's Cage
4 Relic of Progenitus
4 Roiling Vortex
4 Smash to Smithereens