Korlinn, the Soul Thief

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.).
Bounty X (When this creature dies, put X +1/+1 counters on each creature that dealt damage to it this turn, where X is it's power.)
When a creature blocks or is blocked by Korlinn, the Soul Thief, transfer all +1/+1 counters from that creature to Korlinn.