Cool game and has potential for sure. I just felt like the player should have more options, especially at the start. I had like 4-5 cards which cycled but they were all close-ranged besides teleporting or atomize, so I may just not know everything which is possible, but at the start it felt a bit unfair having only close range spells while that flower is damaging me across the screen and i see the conveniently placed barrels but i didn't know what to do with them besides getting close and using my short range damage card. Also, I would like Energy Burst to have more knockback.
There was a level where i was fighting 4-5 shroom dudes camping a ledge, but the knockback just felt too unimpactful, unless they were right on the edge. Maybe also have push do more knockback, since that's all it does (I think). I also thought they and enemies overall have too much HP and that pushing them off a high platform shouldve done more damage but it was like 8 damage while they had around 40 hp iirc.
I know it's a big decision to make and the game would have to be rebalanced, but maybe have more than 2 energy per turn? Comparing to slay the spire, you can do so much in one turn in that game, while here I felt like my options weren't strong enough for how strong the enemies were.
Maaybe have some kind of variety at the start of runs like giving you one extra random card or a random card from your previous run.
Anyway, game was mostly pretty fun and there's always small changes you can do which have a big impact. At times it felt like clearing a DnD dungeon which was very nice.