It is! Ione will buy it! People mostly stopped making wild-magic items in Golarion after prophecy stopped working there. But it's a fun thing to have around if you're a Nethysian, and interesting in scaring the utter shit out of people afraid you might actually use it.
"Come on Pilar, don't just think! Buy random expensive shit! We're not just on any shopping trip, we're on an EPIC MULTIVERSAL SHOPPING TRIP such as whose like may NEVER BE SEEN AGAIN!"