offspring 1u (you may pay an additional 1u as you cast this spell. if you do, when this creature enters, create a 1/1 token copy of it.)
when this creature enters, tap up to one target creature and put a stun counter on it. (if a permanent with a stun counter would become untapped, remove one from it instead.)
when this creature enters, tap up to one target creature and put a stun counter on it. (if a permanent with a stun counter would become untapped, remove one from it instead.)