4 Ancient Den
4 Darksteel Citadel
4 Great Furnace
4 Seat of the Synod
4 Vault of Whispers
2 Arcbound Crusher
4 Arcbound Stinger
4 Arcbound Worker
3 Atog
4 Cranial Plating
4 Disciple of the Vault
3 Frogmite
1 Memnarch
3 Myr Enforcer
2 Myr Retriever
4 Ornithopter
2 Skeleton Shard
4 Soul's Fire
2 Welding Jar
Sideboard:
3 Broodstar
1 Gratuitous Violence
2 Megatog
3 Prismatic Lens
3 Steel Wall
3 Thoughtcast