Timothar, Baron of Bats (210) [The Lost Caverns of Ixalan Commander]

Ward—Discard a card. Whenever another nontoken Vampire you control dies, you may pay {1} and exile it. If you do, create a 1/1 black Bat creature token with flying. It gains "When this token deals combat damage to a player, sacrifice it and return the exiled card to the battlefield tapped."