Thaunrashix, Doombringer

Flying, trample, menace, first strike, hexproof,
burn 4
Whenever Thaunrashix, Doombringer enters the battlefield, exile target creature.
Whenever Thaunrashix, Doombringer leaves the battlefield, return creature exiled by this card to
its controller's hand.
{u}{b}{r}: Regenerate Thaunrashix, Doombringer.
It was truly horrible- loathing incarnate.