Woodmaw

Undying (When Woodmaw 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.)
Unleash (You may have Woodmaw enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)