mtg exile the top card of your library Urabrask, Heretic Praetor f:commander -c:ubg o:"exile the top"

Her activated ability costs two generic mana and tapping her, allowing a player to sacrifice another creature

Moats Magus of the Moat, Teferi's Moat, and Moat can completely shut down aggressive decks that rely on ground combat

If you want to see more brews and builds feel free to check out my profile @ Sargeras

The only question that remains is whether or not this set lives up to the promise of offering the best of both the Khans and Dragons versions of Tarkir

This is a neat trick, and it even lets these gay kings lead a Landfall theme fairly well