Dark Arts Ritual

Non-token creatures you control have 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.)
Non-token creatures your opponents control have Persist (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.)