Re: I packed reijnders gold card instead of cornerstones card

batbt1​ Reijnders cornerstone version was part of Cornerstone Team 1. It was in packs from Friday 26th Sep 6 pm UK time to Friday 3rd Oct 5:59 pm UK time.

Your screenshot timer says 10th Oct, this is outside of above duration. Hence, you have correctly received gold version of Reijnders.