1 Ancient Den
4 Crumbling Vestige
1 Great Furnace
4 Inventors' Fair
1 Seat of the Synod
1 Tree of Tales
1 Vault of Whispers
2 Built to Last
4 Chief of the Foundry
2 Cogworker's Puzzleknot
2 Darksteel Ingot
2 Filigree Familiar
2 Fireforger's Puzzleknot
2 Fortuitous Find
2 Foundry Inspector
2 Hunger of the Nim
2 Larger Than Life
4 Narnam Cobra
2 Prakhata Pillar-Bug
2 Prophetic Prism
3 Self-Assembler
2 Servo Exhibition
2 Weldfast Monitor
2 Welding Sparks
2 Whirlermaker
2 Workshop Assistant
Sideboard:
1 Bringer of the White Dawn