Carmilla, Queen of Styria

Whenever Anje, Maid of Dishonor and/or one or more other Vampires you control enter, create a Blood token. This ability triggers only once each
turn. (It's an artifact with "{1}, {t}, Discard a card, Sacrifice this artifact: Draw a card.")

{2}, Sacrifice another creature or a Blood token:
Each opponent loses 2 life and you gain 2 life.