Board Game Arena

This game drastically needs an undo button and a confirm button

Undo to retake a mistake (misreading the card causes attacks to miss)
and a confirm IN CASE you do misread, to confirm that you want to actually use the card.

maybe i am not good at the game, but it is super clear that some characters are just not good and others are just overly broken. Is this just me? Sierra for example is extremely weak, since it takes so long to setup any permanents and most of her cards are not all that strong, compared to nevanka wh...