Originally Posted by
Digifiend
They could anyway. She probably would have been the one de-aged for DCeased, despite Yara being 21 in the main DC universe (which should in fact be the same age as Cassie, if they put YJ at the ages they should be at relative to Damian), had Yara actually existed yet. But DCeased predates Future State. Cassie was the newest Wonder Girl at the time, so she was the one they used.
Yara actually has an unused design for a teenage version of her, which was shown in the announcement of her cancelled TV show.