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