1 City of Shadows
4 Darksteel Citadel
3 Forest
2 Gaea's Cradle
1 Inventors' Fair
5 Island
4 Seat of the Synod
1 Tolarian Academy
1 Tomb of the Spirit Dragon
4 Tree of Tales
4 Arcbound Ravager
1 Copy Artifact
4 Doubling Season
2 Efficient Construction
1 Fabricate
1 Golem's Heart
4 Hangarback Walker
1 Kuldotha Forgemaster
2 Master Transmuter
4 Mox Opal
1 Mox Sapphire
2 Rootwater Diver
1 Scarecrone
1 Sol Ring
3 Steel Overseer
1 Tinker
4 Triskelavus
Sideboard:
1 Adaptive Automaton
4 Ancient Den
1 Chief of the Foundry
1 Copper Gnomes
1 Crystalline Crawler
1 Daretti, Ingenious Iconoclast
1 Fangren Marauder
1 Foundry Inspector
4 Iron League Steed
1 Lifesmith
1 Metalwork Colossus
1 Myr Battlesphere
1 Myr Incubator
1 Noxious Gearhulk
1 Phyrexian Soulgorger
1 Rushwood Grove
1 Slag Fiend
1 Stone Idol Trap
1 Tangle Wire
1 Torrential Gearhulk