Same issue here. Mauve Manticore #9 - Necromania. Zombie hit's me with a Zombie Mob attack and the card remains floating in the middle of the screen. Nothing more happens. Quitting and rejoining removes the card, but nothing happens. I can zoom in on cards and all that jazz, but the game's stuck. I made a topic and posted it on the Steam forums, but that was promptly deleted by someone. No explanation at all. In-game chat suggested I go here.