"*Get Key Codes for free downloads of BioShock Infinite (PC Game) and Crysis 3 (PC Game) accessed through the Steam® and EA Origin® online gaming platforms when you buy an AMD Radeon™ HD 7970, AMD Radeon™ HD 7950 or a AMD Radeon™ HD 7970 GHz Edition Graphics Card from a participating retailer between February 4th, 2013 and either December 31, 2013 or when supply of Key Codes is exhausted, whichever occurs first. "
Guess it depends if the retailer you're going to be buying it from has any left.