Prince of Darkness' Coffin

When Prince of Darkness' Coffin enters the battlefield, search your library for a Vampire creature card, exile it, then shuffle your library.
{b}{r}, {t}: Until end of turn, you may cast target Vampire creature card exiled with Prince of Darkness' Coffin. If you do, it enters the battlefield with two +1/+1 counters on it. It gains lifelink and haste until end of turn.
Fasting increases power.