Pocket Paragons

From BoardGameGeek:

GAME SYSTEM This entry is to allow for discussion/rating of the game system as a whole. It is not for a specific product or release. Versions will appear on the individual item pages. Intense 3-minute duel. Deeply Asymmetrical. Player pick a paragon's deck of 7 cards and choose to play at a time. Both cards are revealed and then characters either take damage, have their card canceled and sent back to their hand, or are defeated. Play the right card at the right time and have a strong read of your opponent's intentions to win this intense 3-minute duel! -description from the publisher