Dovin's Dismissal is a rare Instant card from Ravnica Allegiance (RNA), collector number 267. Current market price: $0.18, TCGplayer market prices via Scryfall.
Put up to one target tapped creature on top of its owner's library. You may search your library and/or graveyard for a card named Dovin, Architect of Law, reveal it, and put it into your hand. If you search your library this way, shuffle.