Either way the practical effect is real: Japanese sets produce more high rarity cards per case than English equivalents, which increases supply and can soften prices on Japanese graded copies of those cards specifically
PDF templates give you something to work with, and you can find plenty of them online
For this reason, almost all of the buggy cards you can find in stores will be fake, which means that many collectors will avoid such cards
Articuno EX Stall (9%) Favorable matchup for Electric Tier 3 Decks (58% representation): 7
Tifa, Martial Artist Tifa, Martial Artist makes it hurt, a 7/7 trampler just needs to squeak one point of damage in, and you'll untap all your creatures including those you stationed with, mana dorks and pingers