3 Ancient Den
1 Blinkmoth Nexus
4 Darksteel Citadel
2 Great Furnace
2 Island
4 Seat of the Synod
4 Vault of Whispers
1 Arcbound Crusher
2 Arcbound Worker
1 Chief Engineer
4 Cranial Plating
4 Ensoul Artifact
1 Etched Champion
3 Ghostfire Blade
1 Master of Etherium
3 Myr Enforcer
4 Ornithopter
1 Palladium Myr
2 Signal Pest
1 Spellskite
3 Springleaf Drum
1 Steel Overseer
1 Tezzeret the Seeker
1 Thoughtcast
2 Vedalken Engineer
1 Voltaic Key
3 Welding Jar
Sideboard:
2 Disciple of the Vault
1 Dismember
1 Esperzoa
2 Illusionist's Bracers
1 Mirran Spy
1 Phyrexian Walker
2 Puppet Strings
2 Skullclamp
1 Vedalken Engineer