Because, unlike in the late '90s, when fads like Beanie Babies, Pogs, and yes, Pokmon cards ruled the world, especially before the internet, there wasnt such an overeliance on after-markets for the livelihoods of so, so many people
Rather worryingly, it seems this helping hand can be outrageously expensive at times
He also specified that the mechanic may come back in future sets
Even the flavor text plays into just how absolutely confusing Mizzium Transreliquat is, the person who made it in-world is just as confused about what it's supposed to even be as us who have to read it
Only charmanders torso and head though, not the background
Although rather theyll be making meals out of themselves for practical reasons: the team couldnt fit the full name once more in the mechanics text, so the creature deals damage to itself