Incapsula incident ID: 439000680137908177-177201696302633222
Cloud Key is fairly straightforward, however, its busted on MTGO and you can only reduce Artifacts by one mana, not all spells of the chosen type
Theres no priority pass in between repetitions by the way - you reveal one card for the first opponent in turn rotation, they decide on exile or hand, after which you reveal the next card for opponent two and so on, until all opponents have chosen
I say someone's deck where they get things like memorial and a ton of lands into play before ever playing Noyan Dar and then dropping him and playing like 15 cantrips, kind of storming off, and basically assassinate a couple players right off the bat
Summon: Esper Ramuh and Slash of Light can certainly perform well, but theres also plenty of times (especially early game) where they simply wont work when you need them to