Wednesday, 9 September 2020
Topps - UEFA Champions League Match Attax 2020/21 (16) - TK1-TK12 - Tournament King
UEFA Champions League & Europa League Match Attax 2020/21
Here is a partial illustrated checklist of the online exclusive Tournament King cards, though I haven't been able to find TK11 so far. You can find the checklist here - Topps - UEFA Champions League Match Attax 2020/21 (15) - Checklist.
UPDATE (28-10-2020 10:01): Winston Chu has provided a photo of the missing card.