4 Ancient Stirrings 3 Buried Ruin 2 Chromatic Sphere 4 Chromatic Star 4 Darksteel Citadel 3 Engineered Explosives 2 Forest 1 Grove of the Burnwillows 4 Ichor Wellspring 2 Inventors' Fair 4 Krark-Clan Ironworks 4 Mind Stone 4 Mox Opal 2 Myr Retriever 3 Pyrite Spellbomb 4 Scrap Trawler 4 Spire of Industry 4 Terrarion 2 Yavimaya Coast 2 Ensnaring Bridge 1 Firespout 1 Galvanic Blast 1 Lightning Bolt 4 Nature's Claim 1 Negate 3 Sai, Master Thopterist 2 Swan Song