16 Mountain
4 Teetering Peaks
4 Arc Runner
4 Ball Lightning
4 Brute Force
4 Fling
4 Goblin Guide
4 Hellspark Elemental
4 Lightning Bolt
2 Rakka Mar
2 Searing Blaze
4 Spark Elemental
4 Vexing Devil
Sideboard:
2 Rakka Mar
2 Searing Blaze
4 Sparkspitter