I forget, does it even actually do anything? Do you actually need it? Usually you get it right at the start of the game, but you can skip getting it by immediately using the Cheat Menu to go to a different village
oo well you can’t get the crystals from Caveman Hub minigame without getting the card first (well, if you try and collect them while having 0 Crystals, at least). may apply to other minigames
hol up… did it change from blue on PS1 to purple on PC? (verify)