TAHK0 speculated on why the error may have happened, writing, Poke Balls went through a lot of early variations, with everything from the button placement changing, to how it opens differing, to even being depicted with the white on top. It could be that an early Pok Ball design actually did open like it does on the card back, but when the design was eventually changed to the opposite way, they forgot to update it on the card back before going to print, and it remains that way to this day
It was appealing to many players and collectors
This evolutionary path is central to the narrative of the Alola region, where it plays a significant role in the storyline surrounding the Legendary Pokmon, Solgaleo and Lunala.\n\nThe design of Cosmoem is particularly striking, featuring a cosmic shell that embodies the transition from a nascent star to a mature celestial body
Dark Confidants in that conversation too, but has one last chance to shine in Standard with its printing in Final Fantasy
Because it's not enough to just win your next Commander battle, you have to win the right way
Surprisingly, the Koffing artwork from set 151 features the Poison-type thrilled to be polluting the atmosphere with his signature toxins