The second secret mission only requires you to collect two cards, but they’re some of the rarest cards in the pack, which are the Aerodactyl ex and Mew ex, both with the rainbow borders and ...

While the immersive Celebi ex is the rarest card on the list, it's more likely that the rainbow-border Mew ex is the one you're missing. Check to make sure you aren't overlooking it after opening ...

The Legendary Flight Continues is another hard mission, asking you to find some of the rarest cards in the game, specifically the rainbow variant ... including the Mew card you can get from ...