everything u said i had already deduced. even without a tutorial/instructions i could deduce the basic. however it didn't work.
1- i now tried again, and realized i could play creatures on the bottom blue row. the top blue row wasn't "working". it seems if the card touches a square first, u can't place on another. to place a card on the top row u need to draw the card around the bottom row to "enter from the top".
2- not every turn i get a new card.
3- i never succeded in using the cards life and health. i did try using them on creatures that had suffered damage and intact creatures
4- my cards don't show a tooltip explaining what they do, unlike an image u posted. probably because u didn't upload the latest version. but without explanation of what a card does it's difficult to play
5- i might have found a bug. i clicked on "stack" during enemy turn and the button "back" doesn't work
6- does the game save?
7- when does a match end? specific number of turns? or when soemone reaches a certain score?
8- i don't understand what "stack" does
obs: played as human