20 Mountain
4 Chain Lightning
4 Fireblast
4 Flame Rift
4 Incinerate
4 Keldon Marauders
4 Lava Spike
4 Lightning Bolt
4 Rift Bolt
4 Searing Blaze
4 Spark Elemental
Sideboard:
4 Electrickery
4 Lightning Strike
3 Relic of Progenitus
4 Searing Blood