Baron Alvertos Darke

Lifelink
Vampires you control have +2/+0
If you control at least 4 vampires, Alvertos has Deathtouch.
Whenever you gain life, Alvertos Darke gets
Hexproof until end of turn.
When Alvertos Darke deals combat damage to a player, put a -1/-1 counter on each creature that
player controls and a +1/+1 counter on each
creature you control.