Also known as ICAD. Basically, for 61 days, you create a piece of art on an index card. It can be as simple or as elaborate and you want. The goal is just to have a daily creative practice. While I don't follow the prompts usually, there are some to get you motivated if you choose.
To get all the info: https://daisyyellowart.com/icad-base/
Thanks so much for looking!