Prison Golem

Hexproof, protection from unequipped creatures
Whenever a stun counter is put on a creature tap
it. Creatures with stun counters on them lose all
abilities. Whenever Prison Golem deals damage
to a creature put a stun counter on that creature.
{0}: Create a 0/1 Surveillance Dronicopter token
with flying. Use this ability only if there are no
Surveillance Dronicopter tokens in play.