I have failed to receive the gifted golden Perils in Paradise pack. After collecting it from the shop, it did not show up in the card opening section while disappeared from the shop in game.
They are aware of the issue and they are working on a fix.
Hi! I have the same problem and the support team advised me to share it on the forum, so here it is!
Same here… 
Hope they fix it. Seems like not everyone is affected by this.