1 Ancient Den
1 Ancient Tomb
1 Boreal Shelf
1 Buried Ruin
1 Cryptic Caves
1 Darksteel Citadel
1 Great Furnace
1 Highland Weald
1 Inventors' Fair
1 Seat of the Synod
5 Snow-Covered Forest
7 Snow-Covered Island
5 Snow-Covered Mountain
6 Snow-Covered Plains
1 Tomb of the Spirit Dragon
1 Tree of Tales
1 Urza's Mine
1 Urza's Power Plant
1 Urza's Tower
1 Awakened Amalgam
1 Blade Splicer
1 Bosh, Iron Golem
1 Burnished Hart
1 Chief of the Foundry
1 Chronomaton
1 Colossus of Akros
1 Conversion Chamber
1 Copper Myr
1 Efficient Construction
1 Foundry Inspector
1 Glassdust Hulk
1 Gold Myr
1 Golden Guardian // Gold-Forge Garrison
1 Golem Artisan
1 Golem Foundry
1 Guardian of the Ages
1 Hammer of Purphoros
1 Ich-Tekik, Salvage Splicer
1 Iron Myr
1 Jhoira's Familiar
1 Karn, Silver Golem
1 Lodestone Golem
1 Mage-Ring Responder
1 Magnetic Flux
1 Master of Etherium
1 Master Splicer
1 Master Transmuter
1 Masterful Replication
1 Maul Splicer
1 Meteor Golem
1 Mind Stone
1 Mirage Mirror
1 Mirrorworks
1 Monastery Siege
1 Morophon, the Boundless
1 Mystic Forge
1 Palladium Myr
1 Phyrexian Metamorph
1 Sai, Master Thopterist
1 Sculpting Steel
1 Sensor Splicer
1 Serum Tank
1 Silver Myr
1 Sol Ring
1 Solemn Simulacrum
1 Splicer's Skill
1 Stoic Rebuttal
1 Tempered Steel
1 Thopter Engineer
1 Thopter Spy Network
1 Thran Dynamo
1 Titan Forge
1 Tuktuk the Explorer
1 Ugin, the Ineffable
1 Vital Splicer
1 Voltaic Construct
1 War Report
1 Wayfarer's Bauble
1 Welding Jar
1 Wing Splicer
1 Workshop Elders
Sideboard:
1 Elemental // Golem
1 Goblin // Myr
1 Golem
1 Illusion // Golem
1 Marit Lage // Elemental
1 Myr
3 Spirit
1 Spirit // Myr
3 Thopter