Click/hold the chest to get a card. You can see how many of each card you have collected in the upper left corner when u have clicked at index. Next to them is a picture of the card. None is 70%, guy is 30% and legend is 10%. You can also see it in the info.
-------------F--------------A----------------K----------------E--------- -------------This is a fake chest opening rng--------------------- -----I did it so people can see what it's like to get lucky-----
