Alduin the World Eater

Flying, 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.)
{2}{u}: Exile Alduin the World Eater, then return it to the battlefield under its owners control.
{2}{b}: Target player exiles a creature from their graveyard at random, Alduin the World Eater gets +1/+1 until end of turn.