The Lost Caverns of Ixalan

Amalia Benavides Aguirre | Legendary Creature | Vampire Scout | Ward—Pay 3 life. Whenever you gain life, Amalia Benavides Aguirre explores. Then, destroy all other creatures if its power is exactly 20. (To have this creature explore, reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.) | Alix Branwyn

Bartolomé del Presidio | Legendary Creature | Vampire Knight | Sacrifice another creature or artifact: Put a +1/+1 counter on Bartolomé del Presidio. | Randy Gallegos

Vito, Fanatic of Aclazotz | Legendary Creature | Vampire Demon | Flying Whenever you sacrifice another permanent, you gain 2 life if this is the first time this ability has resolved this turn. If it's the second time, each opponent loses 2 life. If it's the third time, create a 4/3 white and black Vampire Demon creature token with flying. | Marta Nael