You gain a ton of life in the deck, and easily enough to discount the entire generic mana cost of any spell you want to cast
For a wizened mage like me, the art looked like the cover of a Journey album from the 70s, and eventually I decided to also build a Commander deck around The Ur-Dragon too
The cost is steep, but once it's out, removing your stuff becomes a much harder task
But if the deck is a deck, this is in that deck
Blue Jace, the Mind Sculptor Narset, Parter of Veils Jace, Architect of Thought Jace Beleren Tezzeret, Artifice Master The first three on this list are a lock in
Moon-Circuit Hacker Moon-Circuit Hacker isnt quite Ninja of the Deep Hours, but its respectable enough to be copies five and six in many Pauper lists