1 The Mightstone and Weakstone 1 Urza, Lord Protector 1 Liberator, Urza's Battlethopter 1 March of Progress 1 Karn, Living Legacy 1 Organic Extinction 1 Research Thief 1 Deserted Beach 1 Urza's Saga 1 Razortide Bridge 1 Liquimetal Torque 1 Esper Sentinel 1 Thought Monitor 1 Ornithopter of Paradise 1 Losheel, Clockwork Scholar 1 Bronze Guardian 1 Forsaken Monument 1 Arcane Signet 1 Emry, Lurker of the Loch 1 Dance of the Manse 1 Mystic Forge 1 Generous Gift 1 Dovin's Veto 1 Meteor Golem 1 Sai, Master Thopterist 1 Sea of Clouds 1 Powerstone Shard 1 Anointed Procession 1 Scrap Trawler 1 Whir of Invention 1 Inventors' Fair 1 Padeem, Consul of Innovation 1 Foundry Inspector 1 Thought Vessel 1 Prairie Stream 1 Thopter Spy Network 1 Chief of the Foundry 1 Cyclonic Rift 1 Swiftfoot Boots 1 Buried Ruin 1 Command Tower 1 Dispatch 1 Phyrexian Metamorph 1 Unwinding Clock 1 Shimmer Myr 1 Myr Battlesphere 1 Wurmcoil Engine 1 Tempered Steel 1 Steel Overseer 1 Training Grounds 1 Glacial Fortress 1 Path to Exile 1 Etherium Sculptor 1 Master of Etherium 1 Sharding Sphinx 1 Rings of Brighthearth 1 Thousand-Year Elixir 1 Cloud Key 1 Academy Ruins 1 Hallowed Fountain 1 Azorius Signet 1 Darksteel Forge 1 Darksteel Citadel 1 Thoughtcast 1 Talisman of Progress 1 Seat of the Synod 1 Solemn Simulacrum 1 Ancient Den 1 Sculpting Steel 1 Lightning Greaves 1 Gilded Lotus 1 Fabricate 1 Myr Retriever 6 Plains 10 Island 1 Counterspell 1 Adarkar Wastes 1 Thran Dynamo 1 Heartstone 1 Mind Stone 1 Urza's Tower 1 Urza's Power Plant 1 Urza's Mine 1 Swords to Plowshares 1 Sol Ring