Yeah, magic. And it won't surprise me if you say I'm supposed to be older. [Although her not having heard of Zatara is definitely strange, especially if she's in the Justice League.]

It's part of that whole "alternate realities, pulling people from different points in the timeline" thing that seems to go on around here.

[Which Zatanna's hoping she knows about, since it's really something she doesn't want to have to try to explain.]