Thanks! Of course you can make your own, I am definitely not the first person to do something like this. I recommend drawing what you like and having the list planned out before to see if it’ll work (because this has happened to me a lot where I plan out half a list only to get stuck and realize the list doesn’t work).
I did an alphabet because I couldn’t commit to a project 365, lost interest in a project 100, and couldn’t figure out a themed 54 piece card deck. Basically a 24 piece alphabet series was the largest amount of commitment I could muster up and actually finish.