Naya midrange

please comment! any criticism will be appreciated. this deck started out as a w b r deck to take advantage of the boros reckoners ability to gain you infinte life by dealing himself damage after giving him lifelink and indestructible. i quickly realized that that combo possibility by itself would not be enough to win me duels and then worked on it to give i tmore flexibility. i m seriously debating wether or not to main deck a couple immortal servitudes so in the eventuality i have a couple burning trees in my graveyard i can return em to drop a big aurelias fury on my opponent