The vertical stack in card from HACS may help. It works like the normal vertical stack card, but hides the borders making the whole stack look like one card.
Thank you @Stiltjack, I played with the Vertical stack in card you suggested and this might be the solution. I just do not know how to remove the gap between the inserted values:
the current code is as following (still a lot of work to get it formatted according to state of sensors):
@dolezel.david,
I do not know if you ever found a solution (I was searching for one too). Let me share what I came up with to have multiple entity states in a single custom button card:
And of course you can still have an icon if you wish. Full disclosure: I am not certain of the language in the post; however, anyone looking to have more than one entity state in a custom button card can use and modify any of the above reply.