It ensures a smoother gaming experience and helps players adhere to the format's unique rules and requirements
I think the Magic community adapted to the mana value change pretty well
"At the time, the deck was insurmountably strong, easily the best thing to be playing, and rendered games trivial and uninteresting." According to longtime players, this card and the decks built around it hit Nineties Magic like a bomb
This card is in the main-set, so it's likely to be an easy-pull card
Snorlax, Garchomp Ex, Leafeon Ex, Crobat, Raichu, Carnivine, Irida, Barry, and then Pokemon TCG Pocket 's Arceus Ex itself are all either very valuable now, or at least tend to pop in and out of meta decks consistently
A perfect aspect ratio ensures design consistency and keeps cards compatible with packaging sleeves and boxes