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