This means that there are cards in this set that are completely legal in Commander without the need for any type of Rule 0 discussion, while other cards that dont work properly within the normal rules of Magic are still restricted to the new acorn holo-stamp thats tied the modern equivalent of silver-bordered cards
Essentially, the deck tries to suspend the biggest, meanest thing it can quickly - an Eldrazi or a Colossus, for example - and then protect it's position through countermagic (surprise surprise)
Its widespread usage and depiction of an iconic moment from Doctor Who gives Everybody Lives
The answer is that Ramp;D didn't design it
Simply point your camera at any MTG card, and the app will instantly recognize it using advanced AI technology
The Maros bridge the gap gracefully, clearly belonging to their block but with flavor porting easily to other settings