I'll post this for now so players are aware.
If you click on a graveyard before certain animations are finished, like Bad Santa's, the cards in the graveyard will remain on-screen.
If you have a card selected and zoomed in and then click on a graveyard, the Previous, Next, and Close buttons for the graveyard isn't updated when the UI(User Interface) comes up.
EDIT:
Bug #3, if you do not close the UI and leave the game, all subsequent games will have the UI stuck on-screen with the only fix being reopening the page.
Bookmarks