It's a solid combat system even if it is pretty basic.
It would greatly help the flow of the game if you could add some images/symbols to the UI and convey the cards drawn and "hit/stay" status of the other character through those images rather than requiring the player to press a button to get a stream of new text prompts to describe what is happening. The text was a bit hard to follow and I had to stop myself from spamming the continue button so that I didn't accidentally 'hit' or 'stay' when those prompts came up.