3 Ancient Den
4 Darksteel Citadel
4 Great Furnace
4 Seat of the Synod
4 Vault of Whispers
4 Atog
3 Cranial Plating
2 Etched Champion
4 Frogmite
3 Galvanic Blast
3 Master of Etherium
4 Memnite
4 Ornithopter
2 Signal Pest
1 Steel Overseer
4 Thoughtcast
3 Vault Skirge
2 Welding Jar
Sideboard: