Larval Stalker

Defender. Larval Stalker is indestructible as long as you are in the Fog world.

{c}, {t}: Activate only as sorcery. Choose an opponent and a creature they control. Chosen opponent chooses one of the following:
•The chosen creature has -1/-1 until the end of your next turn.
•Larval Stalker's owner creates a 1/1 black Child token and loses 1 life.