Prosper, Tome-Bound from Forgotten Realms Commander (2) is a Mythic Creature card.
Illustrator: Yongjae Choi
Rules
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.