That deck looks a bit overquantumed. (yes I love to nitpick about quantum) Minus 2 or 3 bone pillars and put in a total of 2 or 3 more bone dragons and/or bonewalls. 3 more bone dragons might make it a bit low on quantum so maybe 1 more bone dragon 1 or 2 more bonewalls. The exact amount isn't too important and of course up to you. Point is a few too much death quantum.