1 Urza's Saga
1 Inventors' Fair
1 Ancient Tomb
1 Academy Ruins
1 Seat of the Synod
1 Ancient Den
1 Great Furnace
1 Tree of Tales
1 Vault of Whispers
1 Darksteel Citadel
1 Mishra's Workshop
1 Reliquary Tower
1 Gaea's Cradle
1 Urza's Power Plant
1 Urza's Mine
1 Urza's Tower
1 Command Tower
1 Tundra
1 Underground Sea
1 Tropical Island
1 Volcanic Island
1 Savannah
1 Scrubland
1 Plateau
1 Bayou
1 Badlands
1 Taiga
1 Hallowed Fountain
1 Breeding Pool
1 Cavern of Souls
1 Steam Vents
1 Watery Grave
1 Temple Garden
1 Spire of Industry
1 Sacred Foundry
1 Stomping Ground
1 Glimmervoid
1 The World Tree
1 Sol Ring
1 Arcane Signet
1 Myr Reservoir
1 Mox Opal
1 Jeweled Lotus
1 Mox Diamond
1 Chrome Mox
1 Thought Vessel
1 Commander's Sphere
1 Mirrodin Besieged
1 Cryptolith Rite
1 Jhoira, Weatherlight Captain
1 Myrsmith
1 Urza, Lord High Artificer
1 Organic Extinction
1 Kindred Discovery
1 Tezzeret, Master of the Bridge
1 Doubling Season
1 Mirror Entity
1 Silver Myr
1 Gold Myr
1 Iron Myr
1 Leaden Myr
1 Palladium Myr
1 Copper Myr
1 Myr Galvanizer
1 Myr Battlesphere
1 Shimmer Myr
1 Alloy Myr
1 Myr Retriever
1 Plague Myr
1 Myr Kinsmith
1 Myr Convert
1 Myr Welder
1 Myr Propagator
1 Darksteel Myr
1 Hovermyr
1 Ichorclaw Myr
1 Lodestone Myr
1 Myr Enforcer
1 Myr Superion
1 Myr Sire
1 Foundry Inspector
1 Etherium Sculptor
1 The Great Henge
1 Knighted Myr
1 Parcel Myr
1 Perilous Myr
1 Vedalken Archmage
1 Steel Overseer
1 Myr Scrapling
1 Esper Sentinel
1 Rhystic Study
1 Blinkmoth Infusion
1 Reflections of Littjara
1 Anointed Procession
1 Tempered Steel
1 Mechanized Production
1 Parallel Lives
1 Myr Turbine
1 Tempt with Discovery

1 Urtet, Remnant of Memnarch