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