At twice the mana investment of Faerie Mastermind, thats right on rate for what it should be drawing
But one thing black does incredibly well is drawing cards, often at the cost of paying life
All players can put huge creatures and artifacts into play thanks to Braids, but cards like Cyclonic Rift and Curse of the Swine make sure that only Braids' own creatures/artifacts remain
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
There's a lot of Equipment that can be attached to Helitrooper for free after that cost reduction, both in Limit Break and in Magic at-large
It gets a little better as well if you're running a Lifegain subtheme, perhaps with Heliod, Sun-Crowned in the 99