It's official

it seems every pyke skin nowadays has a chroma.

Papercraft Nunu, Papercraft Anivia, Arclight Brand, Battle Boss Yasuo, Battle Boss Qiyana, Arcade Kai'sa, Dark Star Karma, Dark Star Shaco, Little Demon Tristana, all the Battle Academia skins, Corgi Corki, Dunkmaster Ivern, and plenty of other skins have received multiple chromas. It's not just limited to Pyke.