4 Ancient Den
4 Darksteel Citadel
4 Glimmervoid
4 Seat of the Synod
4 Vault of Whispers
3 Brainstorm
3 Cast Down
3 Costly Plunder
3 Cranial Plating
3 Ethersworn Canonist
3 Master of Etherium
4 Negate
2 Open the Vaults
3 Path to Exile
2 Phyrexian Scriptures
3 Thopter Foundry
Sideboard:
2 Ashnod's Altar
4 Time Sieve