Intermittent Ronin

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.)
Rally - Whenever Intermittent Ronin or another Ally enters the battlefield under your control, you may return target creature card from your graveyard to your hand.
"Rest will come when the duty is done."