Twitch has partnered with Digital Extremes to give away free prime Warframes to everyone with Amazon Prime starting June 29th 2017. Prime users get Frost Prime, Vistapa Prime Syandana, and a Dragon Mod Pack for free. The Prime Syandana is exclusive to this offer. This offer is available until July 26th and is good for Warframe on PC, Xbox One, and PlayStation 4. More about the offer here.