It's no one or two things that caused this new major boom two decades into the existence of these cards, but it has resulted in shelves of stores being cleared, scalpers jacking up the prices of unopened items and graded cards alike on eBay, and the price of certain cards soaring.
A confluence of events including rising interest in Pokémon in general as a result of Pokémon GO and Sword & Shield, the wave of YouTube creators making Pokémon card content including longtime collectors like LeonHart and creators popular for other content such as Logan Paul, and the speculator interest in certain rare cards such as the various Charizards from Darkness Ablaze and Champion's Path. 2020 was quite the year for longtime Pokémon Trading Card Game collectors and players alike.
