4 Krark-Clan Ironworks
4 Scrap Trawler
2 Myr Retriever
4 Mind Stone
4 Ichor Wellspring
4 Chromatic Star
4 Terrarion
3 Chromatic Sphere
3 Engineered Explosives
2 Pyrite Spellbomb
4 Mox Opal
4 Ancient Stirrings
2 Inventors' Fair
3 Buried Ruin
4 Grove of the Burnwillows
4 Darksteel Citadel
1 Spire of Industry
2 Yavimaya Coast
1 Forest
1 Island
Sideboard
4 Nature's Claim
4 Lightning Bolt
3 Sai, Master Thopterist
2 Negate
1 Silence
1 Nihil Spellbomb