Super narrow but certainly immensely potent when you are able to turn drawback into upside
Between 1,000 and 5,000, or greater than that, like card shop levels
When you can play it the Cloud brings awesome power offering a pretty good representation of a Mind Twist, an Armageddon, a Wrath of God or a Fireball, often a couple of those things and almost always far worse for your opponent than you
Personally, I'd cut Rakdos Guildgate for a Swamp, probably cut a few spells for more Demons, and I might play one or two copies of Disciple of Griselbrand
Your Grafidggers Cage or Nihil Spellbomb look a lot scarier when you have a Tarmogoyf in play because I am forced to piece something together in a couple turns as opposed to ten
He asks her to exorcise the ghost of his dead mother from the home where she used to live, the same home he wants to inhabit