4 Ichor Wellspring
4 Krark-Clan Ironworks
4 Mind Stone
2 Pyrite Spellbomb
1 Spine of Ish Sah
4 Terrarion
4 Mox Opal
4 Ancient Stirrings
3 Engineered Explosives
4 Chromatic Star
3 Chromatic Sphere
2 Inventors' Fair
3 Yavimaya Coast
4 Grove of the Burnwillows
3 Buried Ruin
1 Island
1 Forest
4 Darksteel Citadel
4 Scrap Trawler
1 Myr Retriever
Sideboard
1 Grafdigger's Cage
1 Defense Grid
3 Sai, Master Thopterist
2 Negate
4 Nature's Claim
4 Galvanic Blast