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