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.)
Wounds of the mind, while looking for weak minds to assault.
Heckling Patrol {R} |Creature - Vampire Hound| 1/1 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.)