Scroll Rack [Commander's Arsenal] Oath of the Gatewatch its controller reveals cards from

its controller reveals cards from the top of their library until an artifact or creature card is revealed and exiles that card

destroy Cosmic Horror unless you pay {3}{B}{B}{B}

Set: Guilds of Ravnica Prerelease Promos Type: Instant Rarity: Rare Cost: {B}{G} Destroy target permanent an opponent controls

with the same mocking look on their faceless skulls

Scroll Rack [Commander's Arsenal] Oath of the Gatewatch its controller reveals cards fromSet: Commander's Arsenal Type: Artifact Rarity: Rare Cost: {2} {1}, {T}: Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exiled cards and put them on top of your library in any order.