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.
If you choose a target tapped creature and it becomes an illegal target for Dovin’s Dismissal, the spell doesn’t resolve. You don’t search for Dovin.