White decks dreaded facing Gloom for years, and they finally got to stymie their opponents' mana costs with an artifact/enchantment Gloom of their own
This made decks more flexible, and often much more effective
I actually used to have a jund ur-dragon list too, but took it apart because I had too many dragon decks
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
711.2b While a double-faced permanent's back face is up, it has only the characteristics of its back face
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