There are 101 cards hidden all around Hogwarts. There are 50 bronze
cards, 40 silver cards, and 11 gold cards.
each 10 bronze cards that you collect, you receive another stamina
- for each 10 silver cards you get, you are given one key to open
a door located in the moving staircase area. Four keys will be
needed. This door will lead you to the Gold Card Challenge.