Jaballala

Flying, deathtouch
When Jaballala enters the battlefield, choose a creature type. Creatures of the chosen type 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.)
Whenever another creature dies, Jaballala deals 1 damage to each opponent.