Fake cards are usually lighter (1.50 to 1.62 grams, missing the graphite core) or heavier (1.95 grams or more, using dense plastic to simulate weight)
I'm not sure why, but some of the cards feel pushed and potent to me
It also became unplayable on TCG Live, since older sets arent coded in the game yet (TCG Live offers an Expanded format, but its Sun & Moon-on, a very different experience from actual Expanded), which basically killed the option of online Expanded events, to my dismay
This is because Pokemon regained legal control of Kadabra, who was embroiled in a lawsuit for 20 years
The official product page highlights a brand-new Applin Art Illustration Foil Card
It's card advantage over time and immediately outclasses several pieces of equipment and effects out there