In particular, it loses all counters it may have had
This defect has varying levels of severity, ranging from barely noticeable to distinctly graying the card [see photos]
These are particularly helpful in token-focused decks, where you may otherwise simply have a lot of 1/1 Human creature tokens sat doing nothing
Sources: TCG Player/Mewtwo VSTAR, TCG Player/Mewtwo V Alt-Art, TCG Player/Radiant Charizard, TCG Player/Radiant Venusaur, TCG Player/Radiant Blastoise, TCG Player/Radiant Eevee, TCG Player/Dragonite VSTAR, TCG Player/Spark Trainer, TCG Player/Candela Trainer, TCG Player/Blanche Trainer
Treat everything here as a pre-release read built on the Japanese data and check back once the lists start posting