Solomon Grundy

Solomon Grundy enters the battlefield tapped
and does not untap during your untap step.
{1}{b}{b}: Untap Solomon Grundy
If Solomon Grundy would be destroyed, instead
remove a +1/+1 counter from it.
Undying (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.)