Audio is good, art is great. The idea is quite nice, I like your take to make it a very calming game. Idk how deep the gameplay is on replay, but really it doesn't matter given your direction and because it's a jam, so even if it were fairly random it's perfect. It's mostly lacking feedbacks. I guess it comes from lack of time from the programming side, but small effects to show what just happened would both sell the visuals and the gameplay better. It's also a bit of a shame that we never get to see the beautiful cards fully, maybe just placing them highter would have helped a bit.