I might respond with a blue streak when asked about the topic, yet there I am (in pretty good company, I imagine), getting worked up over the most recent releases
There are so many creators to choose from and everyone likes different kinds of players and streamers, so all I say is to browse the best available channels on Twitch and see who's content appeals to you

transparent graphics youll need to be able to see stuff behind other stuff layers (non-destructive editing) since were dealing with lots of text, backgrounds, artwork, symbols, etc, we want to make sure we can always go back and change things without it interfering with something else text handling (fonts, spacing) not just typing game text, but having control over font sizes, use of different typefaces, etc image import/export naturally any graphics program should be able to open and save images, however WHAT format you can save to is just as important basic alignment/positioning (guides/grids) making sure text and graphics are properly aligned to one another increases authenticity high resolution support not just with pixel dimensions, but also being able to set DPI for printing purposes Ultimately the goal is to find a graphics editing program that gives you options, flexibility and control over your card designs
Story-wise, you and your friends are the heroes