To do that, we developed a workflow that asked concept artists and card artists to pull hallmark character designs from Yoshitaka Amanos original (and legendary) concept art, the original FFVI sprites, and the FFVI Pixel Remaster character portraits, to synthesize the most consistent elements of each characters design into something new. We also encouraged our artists to punch up finer details and explore elements where they thought they could push (fabric, patterns, textures, etc.) Then, we would meet with the Final Fantasy VI review team, and they would give us feedback on what core elements they wanted to preserve and what new elements they were excited about
The first place to go for selling bulk cards is dedicated card sites
Best of all for most of us the images themselves have been released in relatively giant fashion, for free
Sometimes your revelries need a nexus
With Atog and the likes of Fling and Temur Battle Rage, this can still happen, but is less likely