4 Arid Mesa
5 Island
5 Mountain
4 Scalding Tarn
4 Steam Vents
4 Braid of Fire
3 Fire // Ice
4 Goldspan Dragon
4 Lightning Bolt
4 Reverberate
4 Searing Wind
4 Snapcaster Mage
3 Teach by Example
4 Test of Talents
4 Urza's Rage
Sideboard:
1 Boseiju, Who Shelters All
4 Counterspell
4 Guttural Response