Midra, Lord of Frenzied Flame

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.)

"Enough... I have endured... more than enough. I
ask you forgive me, dearest Nanaya..."