What's missing is damage to player, and that means to me that this card will likely not be an expensive Mythic
Incremental mill, especially if your opponents are hitting each other, is extremely useful
Appearing in just under 0.2% of Special Edition Collector Boosters, 1 of the 100 of each Realms and Relics card can be found here, like Ancient Tomb (Balin's Tomb) and The Great Henge (The Party Tree)
However, for casual play, open-play league nights, or Infinity Constructed events, you can use any card ever printed
Im a fan of the hey Elesh Norn, hold half my beer moment almost hidden underneath
Ultimately, the goal behind this change is to make opening packs more exciting, with even more beautiful cards to hunt for and a greater opportunity to find the special Epic quality cards, as they are less rare than the current Enchanted type