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