I actually used to have a jund ur-dragon list too, but took it apart because I had too many dragon decks
Since we now have a bunch of cheap duals frumping around, that Wood Elves is likely better, and great with the tri land cycle just printed like Zagoth Triome
I decided not to play Thrash // Threat in favor of having more creatures in the deck
Thought Vessel, the most recently printed of these cards in Commander 2015 , is most reminiscent of Reliquary Tower, sharing the same rules text word for word, except it costs two generic mana to cast
Illustrated by Mike Burns Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
Blind Obedience is a staple and can be easily played in every white deck, not to mention that the art is stunning