4 Darksteel Citadel 4 Aether Vial 1 Sundering Titan 4 Arcbound Ravager 4 Arcbound Worker 4 Vault of Whispers 4 Thoughtcast 4 Seat of the Synod 4 Myr Enforcer 4 Great Furnace 4 Frogmite 4 Glimmervoid 4 Disciple of the Vault 4 Chromatic Sphere 4 Lotus Petal 3 Transmute Artifact