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