2 Sai, Master Thopterist 4 Scrap Trawler 2 Inventors' Fair 2 Buried Ruin 4 Ichor Wellspring 4 Mox Opal 4 Semblance Anvil 4 Ancient Stirrings 4 Grove of the Burnwillows 4 Chromatic Star 4 Terrarion 2 Engineered Explosives 4 Grinding Station 4 Darksteel Citadel 2 Welding Jar 3 Myr Retriever 1 Pyrite Spellbomb 2 Forest 1 Island 3 Yavimaya Coast Sideboard 1 Sai, Master Thopterist 3 Karn, Scion of Urza 2 Ghirapur Aether Grid 1 Swan Song 3 Galvanic Blast 3 Nature's Claim 2 Negate