Vampiric Singularity

Whenever a nontoken Vampire creature you
control dies, create a 2/1 black Zombie Vampire creature token with Deathtouch, Decayed and Lifelink
{2}{b}{r} As an additional cost to use this ability,
pay 4 life or sacrifice a nontoken Vampire
creature you control, then return target Vampire creature card from your graveyard to the battlefield, sacrifice it at the end of your next
turn