Every graded card from a reputable company like PSA, BGS, or CGC is assigned a unique ID, which you can find on the slab's label
The ultimate steel type is probably gonna be Ankylosaurus Magniventris
But if you just want to make a version of your favorite commander with an image of your pet or something similarly sentimental, or you want to see your idea for a custom card come to life, card makers are just what you need
Right after the Mega Charizard cards hit it big, July 2015 saw the arrival of two new poncho cards: Pretend Magikarp and Pretend Gyarados, which were sold in a special commemorative box set at the Pokmon Center in Hiroshima
X from SF
Only time will tell what's next for this format, but for now, we know which cards stand at the top of the mountain