Prismatic Jackal is one of the three skins released in one part of the Rainbow Smashfest offer. It could be purchased as part of an item deal in late March 2021.
Prismatic Jackal could be purchased for $12.99 in the limited time "Best Deal!" which included a package of 12000 coins and 1300 DNA. It was not available for individual purchase and may not be available for purchase in the future.
Details of this skin can vary depending on location, platform or time.