Prosper, Tome-Bound [Dungeons & Dragons: Adventures in the Forgotten Realms Commander]

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Commander Type: Legendary Creature — Tiefling Warlock Rarity: Mythic Cost: {2}{B}{R} Deathtouch Mystic Arcanum — At the beginning of your end step, exile the top card of your library. Until the end of your next turn, you may play that card. Pact Boon — Whenever you play a card from exile, create a Treasure token.