Returning spells to hand gets around cant be countered threats such as Thought Distortion and Shifting Ceratops
Nahiris Wrath adds the converted mana costs of the discarded cards in whatever zone they were put into as a result of being discarded, even if they werent put into a graveyard (due to madness, for example) or are no longer in that zone
7 Jeska's Will While not technically a draw spell, Jeskas Will is a versatile way to provide card advantage and a way to cast more spells so its still card advantage
You can discard your hand and draw that many cards plus one, make some creatures to swing immediately, or X a creature and take it down
General takeaway, be normal and ask and that's normally enough
Some of the key cards in the deck include Murder, Royal Assassin, and Kindred Dominance for targeted removal, as well as Assassin Initiate, Assassin Den, and Brotherhood Ambushers for creature-based strategies