Bah, shit. Stupid complicated game. Thanks for screenshotting the error message! Think I figured out where I went wrong, but in the interest of jamness I won't be patching it out until after voting closes. P:
(Will def. look into the other issues as well! Text is easy to fix, but the card selection'll take a bit to untangle. Don't code at one am folks that's how you get spaghetti.)