Necropotence with Dark Ritual was a defining feature of the format and very difficult to stop without the full suite of turn-1 free countermagic available to Magic as a whole
Using Through the Breach or Goryo's Vengeance to cheat an Emrakul, the Aeons Torn or Griselbrand into play is a popular way of ending games, and Mistcaller provides a great one-mana answer
Some Target stores are only selling Pitch Black ETBs, booster packs, and three-pack blisters, and are displaying them on smaller fixtures than usual
Whats more is that Perdita, Devoted Mother almost negates the effect of cards like the dreaded Be Prepared and Grab Your Swords - once the bane of any amber players life, now just another way of getting yet more cheap cards into their discard, ready for Perdita, Devoted Mother to resurrect
Once on a Location card, Characters will either gain an ability directly from the card or will see one of their abilities be activated as a result of being on the Location card