3 Inventors' Fair 4 Grove of the Burnwillows 2 Forest 3 Buried Ruin 2 Aether Hub 4 Ancient Stirrings 4 Terrarion 2 Pyrite Spellbomb 4 Mox Opal 4 Mind Stone 4 Krark-Clan Ironworks 4 Ichor Wellspring 2 Myr Retriever 4 Scrap Trawler 3 Chromatic Sphere 4 Chromatic Star 4 Darksteel Citadel 3 Engineered Explosives Sideboard 1 Wurmcoil Engine 4 Nature's Claim 4 Lightning Bolt 3 Guttural Response 2 Ghirapur Aether Grid 1 Defense Grid