I love the base BW human aggro decks I've got to play in cube though and I really encourage people seeing what they can get from cubing multiples of human enablers etc
The Ripper also turns combat into a nightmare for your opponent the turn it comes down, because you can just throw all of your creatures at your opponent, and then they have to do a bunch of math, because any creature dying drains 2, not just yours
Her fate is intrinsically linked to the Orzhov guild, though given that she previously killed everyone important in the black-white guild, you'd expect her to be the primary suspect
Also, many of them have Enrage, which will provide a boon to you when they take damage
Even more than most group hug cards you are going to struggle to break symmetry with this, and handing out that much free mana to the table while being the last to take advantage of it is practically begging to get bodied