Scroll Rack [Commander's Arsenal] Oath of the Gatewatch destroy Cosmic Horror unless you

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

Whenever another artifact enters the battlefield under your control

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

−7: You get an emblem with "If a source would deal damage to you or a planeswalker you control

Scroll Rack [Commander's Arsenal] Oath of the Gatewatch destroy Cosmic Horror unless youSet: 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.