The Cat Came Back

Cursebond (This enters the battlefield under the control of target player, is an enchantment, aura, and curse in addition to their other types, has "enchant player", and can't be sacrificed.")
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.)