From Maze of Ith to Swords to Plowshares, folks will be taking damage all over the place
Hushbringer is a good litmus test for if players play enough wraths and removal spells, and for whether players are too greedy with deckbuilding to not spread key effects over different spell types (instant, sorcery, on-cast, as well as EtB)
At the cost of 10 mana and sacrificing Realmbreaker, the player can search their library for any number of Praetors, or Phyrexian bosses, and put them right onto the battlefield to close out any game
Assuming you have a sorcerer character in play (should be manageable given all the sorcerer type characters in this deck), you can actually use the same powerful ability that Elsa Spirit of Winter became famous for
Imagine casting Sakashima of a Thousand Faces copying The Sixth Doctor