The mechanic as a whole seems quite hard to deal with since its on an emblem and its operating in a zone thats difficult to interact with, just like with dungeons
Additional Scene Boxes feature Flight of The Witch-King by Campbell White, The Might of Galadriel by Alexander Mokhov, and Gandalf in Pelennor Fields by Matt Stewart
Having to pay 1U extra for any card in the cube makes it worse even if you get a free 2/1 with it
30 Packs, Endless Pulls:More packs mean more chances at SARs, secret rares, and game-changing meta hits
If that wasnt enough, you can throw in Unnatural Growth to lower the required power to just 30
I didn't reflect that much on the name change, but it was recently pointed out to me on this blog that sphere of annihilation was an artifact in D&D made famous by the 1978 module Tomb of Horrors, and it is possible that they changed the name before print to avoid any conflicts regarding intellectual property