Dark Ascension — Mythic
Legendary Creature Demon
Flying, intimidate, trample (A creature with intimidate can't be blocked except by artifact creatures and/or creatures that share a color with it.)
Whenever a player loses the game, put thirteen +1/+1 counters on Withengar Unbound.► Transform this card
There are not enough lives on Innistrad to satisfy his thirst for retribution.