Sakuretsu Armor made everyone have to think twice about attacking if there was a set card on the field, especially due to the small amount of backrow removal in the early days
One day, my friend, who had been supplying the cards to me, texted me the link to a 3D Pokmon card tutorial
The design space of hidden info is one that I enjoy seeing explored, where your format knowledge is rewarded by being able to predict what cards your opponent might have readied against you
Pikachu happens to be one of the poster-children of Pokemon so it definitely has more prints than a lot of cards, but even if you imagine 10% of that as an average per Pokemon (14 variations, or 5.5 prints) and multiply that out by the number of Pokemon presently in the franchise (721) youre looking at ~10k cards with variations or ~4k unique prints
This means it is legal to play in Standard, Pioneer and Modern as well as all the other formats that allow the Jumpstart cards
Here's everything you need to know about the Mega Charizard X-led expansion alongside everything you need to know to secure your pre-order