Baron Alexander Ravenhowl

If there's another Grey Warden on the battlefield
all mana costs for this card are colorless.
When This card enters the battlefield search
your deck for Sir Harrold Ravenhowl, reveal it,
put it into your hand, and shuffle your library.
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.)