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