1 Ancient Den
1 Buried Ruin
1 Darksteel Citadel
1 Eiganjo, Seat of the Empire
1 Inventors' Fair
25 Snow-Covered Plains
1 Urza's Saga
1 Arcbound Crusher
1 Arcbound Ravager
1 Ashnod's Altar
1 Basalt Monolith
1 Brought Back
1 Cathodion
1 Chromatic Star
1 Clock of Omens
1 Coretapper
1 Crucible of Worlds
1 Darksteel Reactor
1 Defense Grid
1 Empowered Autogenerator
1 Energy Chamber
1 Enlightened Tutor
1 Esper Sentinel
1 Ethersworn Canonist
1 Everflowing Chalice
1 Expedition Map
1 Foundry Inspector
1 Gemstone Array
1 Genesis Chamber
1 Grim Monolith
1 Hangarback Walker
1 Ichor Wellspring
1 Illusionist's Bracers
1 Junk Diver
1 Karn, Silver Golem
1 Krark-Clan Ironworks
1 Lightning Coils
1 Lightning Greaves
1 Liquimetal Torque
1 Magewright's Stone
1 Magistrate's Scepter
1 Mana Crypt
1 Mana Vault
1 Metalworker
1 Mirage Mirror
1 Mirrorworks
1 Mox Amber
1 Mox Opal
1 Mycosynth Wellspring
1 Myr Retriever
1 Myr Welder
1 Palladium Myr
1 Phyrexian Altar
1 Pili-Pala
1 Power Conduit
1 Prototype Portal
1 Recruiter of the Guard
1 Rings of Brighthearth
1 Scrap Trawler
1 Scrapyard Recombiner
1 Sculpting Steel
1 Sol Ring
1 Staff of Domination
1 Su-Chi
1 Sun Droplet
1 Surge Node
1 The Ozolith
1 Thousand-Year Elixir
1 Ugin's Nexus
1 Umbral Mantle
1 Unwinding Clock
1 Voltaic Construct
1 Walking Ballista
1 Workhorse
1 Workshop Assistant
Sideboard:
1 Oswald Fiddlebender