Though still new, Disney Lorcana has seen plenty of interest from players, collectors and even new fans who may not have played a Trading Card Game before
Old Salt To recap, this deck is led by Admiral Brass, UnsinkableAdmiral Brass, Unsinkable, a 3/3 Human Pirate that mills you for four when she enters the battlefield
If that creature is a legal target but the creature you don't control isn't, it still gets +X/+X
Focus on getting tutors like Jim Hawkins, or discard recursion like I Won't Give In should be more important than keeping an otherwise milquetoast Pirate like Owl just for the sake of having one in your hand
Eternal-legal cards that are commons and uncommons won't have any symbol there, and Eternal-legal rares and mythic rares will feature the typical oval security seal