20 Mountain
4 Boltwave
4 Chandra's Incinerator
4 Lava Spike
4 Light Up the Stage
4 Lightning Bolt
4 Monastery Swiftspear
4 Rift Bolt
4 Seal of Fire
4 Skewer the Critics
4 Vexing Devil
Sideboard:
1 Barbarian Ring
1 Play with Fire
4 Searing Blaze
4 Skullcrack