Raiyuu, Storm's Edge continues the trend by granting its controller an additional combat phase if they attack with a sole creature while also untapping the attacking creature
I also suspect that there is more of Commander 2013 in circulation than the original decks, and that there will be just as much (or more) 2014 as 2013
Winds Over the Ice Barrier X SPELL Tribute any number of "Ice Barrier" monsters
the deck can quickly establish a board presence and apply pressure from multiple angles, leaving opponents struggling to keep up with the constant onslaught
Card Advantage From the days of Dark Confidant in old school Jund, midrange decks have preferred their card draw on creatures or in value machines like Fable of the Mirror-Breaker as opposed to control decks big card draw spells to fill a hand with answers
Sword of Truth banishes villains only, and Poisoned Apple will exert a character but only banishes princesses (honestly, not bad tech against top-tier Amber decks right now)