When the referee obliged, Fosh whipped out a green Uno Reverse card. The stunt helped supercharge a movement to use the card—which in the game reverses the order of play—as a real-life ...

To be eligible for the contest, fans must create a video using the UNO Reverse Card filter and tag their videos with #UNOSocialClub and #MattelContest. The contest runs from today through June 19.