Hi! i really love the art and wish i could have heard the sound! i undertsoodf how to play pretty soon, very impressive for 3 days, keep going! (id also love to make a deck builder this cute one day if the programmer ever wanted to work together :3)
some suggestions for future updates:
Powering scalling back, having enemies hit you for harder earlier on.
adding more unique cards
Great work! Id love if you could give my game feedback!