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
When this resolves, it buffs all your other dragons with a +1/+1 bonus, and the fact that storm makes copies of iteach one a tokenmeans you can suddenly have a sky full of fire-breathing threats that act as lords for others of their kind, going from a single pump to a massive Craterhoof Behemoth buff
A wider-ranging update to both the Trainer Card Maker and the website itself are both in the early stages of development
KMC is best known in the Magic community as a brand for their Perfect Fit inner sleeves and Hyper Mat variants, especially useful if you're attempting to double sleeve your decks
Lets look at this
It's arguably the most famous Five Color card ever printed