Use your many auras to pump Aura Gnarlid and Yavimaya Enchantress, riding them to victory. Ancestral Mask on top of a Silhana Ledgewalker is a safe way to crush opponents as well.

--you basically have this built - sixth sense does seem like a great addition that is not in your current build.  Of course, upgrading to that other card-drawing enchantress seems like a great move, too (argothian, not in this deck)