4 Krark-Clan Ironworks
4 Scrap Trawler
2 Myr Retriever
4 Ichor Wellspring
4 Mind Stone
2 Pyrite Spellbomb
4 Terrarion
4 Chromatic Star
3 Chromatic Sphere
4 Ancient Stirrings
4 Mox Opal
3 Engineered Explosives
2 Forest
3 Yavimaya Coast
2 Inventors' Fair
3 Buried Ruin
4 Darksteel Citadel
4 Grove of the Burnwillows
Sideboard
4 Nature's Claim
2 Firespout
3 Lightning Bolt
3 Sai, Master Thopterist
3 Negate