The last one I remember was in October 2019. It had the powerset chromas. Was there really one since then?
Then do what the rest of us did and open a buttload of the appropriate Time Capsules, and then BUY the rest of the Collection Pieces on the Auction Broker! That's what I had to do to get it for the one character where I considered it a must-have. None of my other characters will get it until it comes to Style Unlocking, if it ever does.