As is, Id still play this in most creature-centric EDH decks
The cut cost is felt most in the material, with hard plastic replacing the more comfortable style of more expensive binders, while still being durable and rigid enough to ensure that your cards wont bend and crumple whilst inside
Snipe down someones Esper Sentinel with your Llanowar Elves, get a second uncounterable Legendary spell out with Delighted Halfling or float even more mana with Selvala or Marwyn
Thats a heck of a long lead time, though it makes sense for a set as widely-hyped as this one
And then you can also do the dreaded bounce, block, bounce and stop an attack (You turn it from an aura to a dork, block, and then tap to make it an aura before damage is dealt, and the attacker is still blocked,)
Youll want to include Eerie Interlude, Ephemerate, Skyclave Apparition, Duergar Hedgemage, and similar impactful bodies