Sidisi, Sower of Dissent

Deathtouch
Exploit
When Sidisi, Sower of Dissent exploits a creature, distribute X +1/+1 counters to any number of creatures, where X is the exploited creature's toughness.
Whenever a creature an opponent controls dies,
if it had +1/+1 counters on it, return it to the battlefield under your control.
It is a zombie in addition to its other types.