4 Ancient Den
4 Seat of the Synod
2 Urza's Mine
2 Urza's Power Plant
1 Urza's Tower
4 Vault of Whispers
1 Arsenal Thresher
2 Avenging Arrow
2 Chronomaton
2 Contagion Engine
1 Crumbling Ashes
3 Etched Champion
2 Ethercaste Knight
4 Etherium Sculptor
2 Faerie Mechanist
3 Golem's Heart
2 Hallow
2 Hex Parasite
2 Hovermyr
2 Magister Sphinx
3 Master of Etherium
1 Master Transmuter
1 Memnarch
1 Mirrorworks
2 Open the Vaults
2 Rapid Hybridization
2 Reprisal
4 Riot Control
1 Sanctum Gargoyle
2 Sludge Strider
1 Sorin's Vengeance
2 Spined Thopter
4 Steel Overseer
1 Tezzeret the Seeker
4 Tidehollow Strix
2 Unwinding Clock
1 Vault Skirge
2 Windwright Mage
2 Wretched Banquet
Sideboard: