19 Mountain
1 Valakut, the Molten Pinnacle
4 Chandra's Spitfire
4 Dangerous Wager
4 Geistflame
4 Guttersnipe
4 Lightning Bolt
4 Manamorphose
4 Mogg Fanatic
4 Needle Drop
4 Quest for Pure Flame
4 Thermo-Alchemist
Sideboard:
4 Braid of Fire
1 Commune with Lava
1 Crimson Wisps
1 Fling
1 Gitaxian Probe
1 Pyromancer Ascension