4 Ancient Den
3 Darksteel Citadel
4 Seat of the Synod
4 Vault of Whispers
2 Arcbound Crusher
4 Arcbound Hybrid
2 Arcbound Overseer
4 Arcbound Ravager
4 Arcbound Worker
1 Cauldron of Souls
2 Cranial Plating
1 Darksteel Forge
3 Mox Opal
1 Scourglass
4 Sol Ring
4 Steel Overseer
4 Tezzeret's Gambit
4 Thrummingbird
4 Tinker
1 Unwinding Clock
Sideboard:
1 Arcbound Slith
1 Arcbound Stinger
1 Darksteel Ingot
1 Howling Mine
1 Icy Manipulator
1 Thoughtcast
1 Throne of Geth
1 Winter Orb