20 Mountain
2 Valakut, the Molten Pinnacle
2 Assault Strobe
4 Ball Lightning
4 Burst Lightning
4 Fling
1 Forked Bolt
4 Hell's Thunder
4 Hellspark Elemental
2 Koth of the Hammer
4 Lightning Bolt
4 Magma Spray
4 Spark Elemental
1 Sundial of the Infinite
Sideboard: