What are the abilities of Ertha Jo, Frontier Mentor?
user
When Ertha Jo, Frontier Mentor enters, create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."\nWhenever you activate an ability that targets a creature or player, copy that ability. You may choose new targets for the copy.
assistant