Well shit you have a solid game. You just need an year (or just hire someone) to do a super juicy SFX/GFX+UI like balatro and you got this.
random thoughts:
> I like a lot that greed can lead to disaster
>I love sci-fi but be warned that fantasy almost always sells more
>Dunno what you have in mind for everything around this gameplay, but it seems fit for both a mission style game like puzzle quest and a story focused experience like paper please.