I think that this card will show up in a lot of decks
His ability to exile libraries makes him a huge threat across multiple formats, and you may have to exile Ulamog, too, if you want him off the battlefield
Instant Color tag templates(None) Portable Hole When this artifact enters, exile target nonland permanent an opponent controls with mana value 2 or less until this artifact leaves the battlefield
You can play with just a 60 card deck but there are a lot more things around it that will help to improve your game and, most importantly, maximise your fun
For example, you might combine Bolas's Citadel and Aetherflux Reservoir, giving you card advantage and life to offset the life loss, or maybe have reanimate loops using Chainer, Dementia Master and Gray Merchant of Asphodel
It doesnt get any more one-sided than Ruinous Ultimatum, unless, of course, you play Cyclonic Rift