Tales of Middle Earth and Doctor Who have seen great success since, but Universes Beyond: Warhammer proved that MTG had the potential to deliver crossover sets that satisfied fans all around
The chaos effect helps fuel the primary effect, while also helping out those same control decks find answers as the creature decks refuel
In fact, theyve done this twice already
Given how often that can happen in Tales of Middle-earth, Ringwraiths are basically a 5/5 body that your opponent can't get rid of short of exiling it
For example, if you control ten permanents, lose control of one, then planeswalk to The Golden City of Orazca, you won't have the city's blessing
Players were put off by the small set size, the modern IP, and especially its use of Beyond Boosters