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