Rivals of Ixalan

Elenda, the Dusk Rose | Legendary Creature | Vampire Knight | Lifelink Whenever another creature dies, put a +1/+1 counter on Elenda, the Dusk Rose. When Elenda dies, create X 1/1 white Vampire creature tokens with lifelink, where X is Elenda's power. | Chris Rahn

Legion Lieutenant | Creature | Vampire Knight | Other Vampires you control get +1/+1. | Zezhou Chen

Profane Procession | Legendary Enchantment | | {3}{W}{B}: Exile target creature. Then if there are three or more cards exiled with Profane Procession, transform it. | Bastien L. Deharme