Wight Lord

When Wight Lord enters the battlefield destroy
target creature.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner’s control with a -1/-1 counter on it.)
{2}{b}{b}: Remove Wight Lord and target creature
from the game. That creature's controller may
pay {2} to counter this ability. Use this ability only
if Wight Lord is in your graveyard.