3 Buried Ruin
4 Darksteel Citadel
2 Glimmervoid
2 Grove of the Burnwillows
2 Inventors' Fair
3 Spire of Industry
2 Yavimaya Coast
4 Ancient Stirrings
2 Chromatic Sphere
4 Chromatic Star
3 Engineered Explosives
4 Ichor Wellspring
4 Krark-Clan Ironworks
4 Mind Stone
4 Mox Opal
1 Myr Retriever
1 Pyrite Spellbomb
4 Scrap Trawler
1 Sword of the Meek
4 Terrarion
2 Thopter Foundry
Sideboard:
1 Defense Grid
2 Galvanic Blast
2 Lightning Bolt
4 Nature's Claim
3 Sai, Master Thopterist
3 Swan Song