Officially back off now: http://www.vg247.com/2014/11/04/destinys-iron-banner-is-back-and-heres-the-bounties-and-the-legendary-gear-on-offer/ Wasn't the last Valus Ta'aurc Strike around the same time as the Iron Banner first starting? If so, its most likely due to Bungies 'clock' cycle and everything just recycled again. Given on their end they probably just have a script which changes the modifiers each week and cycles through the different Strikes - the Iron Banner was probably left in there.