Clavileno, First of the Blessed [The Lost Caverns of Ixalan Commander]

Set: The Lost Caverns of Ixalan Commander Type: Legendary Creature — Vampire Cleric Rarity: Mythic Cost: {1}{W}{B} Whenever you attack, target attacking Vampire that isn't a Demon becomes a Demon in addition to its other types. It gains "When this creature dies, draw a card and create a tapped 4/3 white and black Vampire Demon creature token with flying."