Zerevik, Baron of Dreyod

Flying, lifelink, protection from white.
Vampires you control have lifelink.
When Zerevik, Baron of Dreyod attacks, you lose 2 life and put a +1/+1 counter on each vampire you control. If Zerevik dies, sacrifice each vampire you control with a
+1/+1 counter.
{t}: Regenerate target vampire.