Certain cards in the deck can help to discount spells, but this is only a band-aid to the bigger problem
White-Black Sacrifice Victory requires sacrifice, and white-black takes advantage of this by turning your permanents into a resource
While it is technically correct, I'm not sure it's all that important in the current meta
If WotC reprints Thalia several more times, the Dark Ascension foil will be the least affected because no other copy can ever be the first original set foil
Not only does he give a huge boost to your Food creatures, the Gingerbrutes and Tough Cookies of the world, but he also creates them each time one of your creatures dies
I think it's a big help given that many people may not even realize that Strixhaven isn't even the name of the plane, but rather a location on the plane of Arcavios