If you discard a card with madness and wish to cast it, Necropotence's ability won't exile that card
Simple distribution with a reliable rare/mythic slot
Include a classic Death and Taxes theme to make things difficult for your opponents, and you should be able to get the most out of Ardenn and Rebbec very quickly
Abeyance (T1, Ext, S, Block) Almost strictly better than Orim's Chant, as it allows you to draw a card plus shut down another deck on your opponent's turn if need be
In fact, many of the Gamma cards from the rare sheets are simply unknown in collector hands, and the population for uncommon and common cards can mostly be counted on one hand for each individual card name
One of Zendikar Rising's new mechanics is the "party" system, built around the classic fantasy set-up of Warrior, Rogue, Cleric and Wizard - and we have a full party to show off