Daemon, Unholy Prophet

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."



“The curse of immortality is not enough; with every ritual, they ascend to something far more terrifying.”-Sorin Markov