Witch-king, Sky Scourge (Foil) (Tales of Middle-earth Commander #555)

Legendary Creature — Wraith Noble - {5}{B}{R}
Flying
Whenever you attack with one or more Wraiths, exile the top X cards of your library, where X is their total power. You may play those cards this turn.
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.)
5/5