Seven mana is steep, but this plan may only really work in the late game anyway, so its easily worth it
Anticipate is one of the most important new cards in Dragons of Tarkir, and since its blue, people are going to want to try it in Mono-Blue Devotion, but its not a natural fit
Now, let's see the other cards: Explore the Underdark, which is basically the best ramp card in this deck, and From the Catacombs, Dungeoneer's Pack, Trailblazer's Torch and Sarevok's Tome, which, besides creating additional mana with Initiative, has a free second cast effect if we have completed a Dungeon
If you think you might need copies to play with, I'd probably hold because little Emrakul might be expensive for quite a while
He can understand most technological devices with a single touch and quickly create artifacts or automations without the need for components or materials
Unlike Drannith Magistrate, who was deemed too oppressive by himself, Zirda, The Danwaker was banned for her joint powers derived from her artifact companion, Grim Monolith