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