Here's a screenshot: And I also attached the combat log, if it's of any use. The time was still running and I could also look at the cards, but he wasn't playing the trait - it just got stuck!
http://www.cardhunter.com/forum/threads/screen-freeze-gary-is-playing-a-trait.1027/ Lots and lots of reports on this. Hopefully fixed next patch as Jon says. Also, try searching before posting duplicate bugs, this was on the bug forum front page.
Ah damn - sorry! I'm kinda tired, totally forgot about looking for another post discussing this problem >.<
