sewaddle pokemon card #1 Prices | White Flare Plasma Storm Type Pokemon TCG - XY4 -

Others particularly older ones tied to a specific event that didnt happen again are genuinely hard to track down

Source: Pokmon.com, Pokmon/YouTube

On one hand, it can make rare cards available again to collectors who are antsy to complete their collection

These errors are easy to spot even to new collectors such as square cut corners versus the correct die cut (rounded) corners or OC (off center)/ miscut cards where the card clearly did not line up properly when cut from a large sheet of cards into single cards resulting in significantly off-center cutting of the card or in some cases, cards comprised of two halves of different cards