Other than being a way to enable the rest of your deck, shes also removal for creatures, and a win condition if you get to ultimate her
These synergies combine in dizzying ways: Horrid Shadowspinner attacks to return Sneaky Snackers from the graveyard
But I love this a lot
Both Mystical Archive reprint options give players more choice, however, which is something that MTG has been leaning heavily into over the past few years and will be continuing in Strixhaven
You can stick with Edgar Markov and build an aggressive Vampire deck by adding more lords, Shared Animosity, and other aggressive tribal-matters cards, or you can go with Licia, Sanguine Tribune and build lifegain combo with Sanguine Bond, Exquisite Blood, Defiant Bloodlord, and the like
As with most new Magic releases, I have resigned myself to the fact that rarer cards are harder to get, and these may elude me as I go on my personal collecting journey but I will be sitting on the sidelines, coveting these cards, regardless