33 Mountain
1 Ruins of Oran-Rief
1 Sanctum of Ugin
1 Arcbound Bruiser
1 Arcbound Crusher
1 Arcbound Fiend
1 Arcbound Lancer
1 Arcbound Overseer
1 Arcbound Slith
1 Arcbound Stinger
1 Atog
1 Blinkmoth Urn
1 Bosh, Iron Golem
1 Burnished Hart
1 Chief of the Foundry
1 Clockwork Vorrac
1 Conduit of Ruin
1 Conjurer's Bauble
1 Coretapper
1 Cultivator's Caravan
1 Darksteel Colossus
1 Darksteel Forge
1 Darksteel Gargoyle
1 Dead-Iron Sledge
1 Dross Scorpion
1 Edifice of Authority
1 Extraplanar Lens
1 Ferropede
1 Ghirapur Aether Grid
1 Gingerbrute
1 Grab the Reins
1 Grafted Wargear
1 Iron Myr
1 Krark-Clan Ironworks
1 Kurkesh, Onakke Ancient
1 Lightning Greaves
1 Metalwork Colossus
1 Mind's Eye
1 Mindslaver
1 Molten Nursery
1 Mycosynth Golem
1 Mycosynth Lattice
1 Myr Moonvessel
1 Myr Retriever
1 Nemesis Mask
1 Nettle Drone
1 Nuisance Engine
1 Pacification Array
1 Pentavus
1 Pia Nalaar
1 Power Conduit
1 Serum Tank
1 Shambling Suit
1 Shimmer Myr
1 Skullclamp
1 Smelt
1 Soul Foundry
1 Sparring Collar
1 Spawning Pit
1 Specter's Shroud
1 Spellbinder
1 Stuffy Doll
1 Titan's Presence
1 Trading Post
1 Turn Against
1 Voltaic Construct
1 Wayfarer's Bauble
1 Whispersilk Cloak
Sideboard:
1 Arachnoid
1 Arcbound Worker
1 Battered Golem
1 Built to Smash
1 Darksteel Reactor
1 Dismantle
1 Dragon Blood
1 Electrostatic Bolt
1 Endbringer
1 Farsight Mask
1 Galvanic Key
1 Gilded Lotus
1 Hedron Archive
1 Icy Manipulator
1 Key to the City
1 Kozilek's Channeler
1 Magnetic Theft
1 Mirror Golem
1 Myr Enforcer
1 Myr Matrix
1 Myr Prototype
1 Opaline Unicorn
1 Orcish Vandal
1 Oxidda Golem
1 Relic Barrier
1 Ring of Valkas
1 Roving Keep
1 Shatter
1 Thunderstaff
1 Ur-Golem's Eye