trading cards I believe people from newer generations are much more likely to invest in things like trading cards (from trading card games like Pokemon as well as, if not even more, sports trading cards, etc.) Things that used to be almost exclusively "nerdy" (like video games, Pokemon, Star Wars, etc.) are becoming "cooler" and cooler by societal standards and are even starting to see interest that could only be seen in the sports world in the past (large-scale sponsored events
However, time has been kind to Gym Challenge, and the Rare Holos from this set command a high price
One thing we've seen happen in the past is that when a popular supplemental product comes out shortly after a Standard set, the Standard set is sometimes forgotten and under-opened as everyone spends their money on the supplemental product
Original cards have vibrant and consistent coloring
Since you were never instructed to shuffle your library, abilities that trigger whenever a player shuffles their library won't trigger