No matter how much synergy you stick into the 99 card pile next to your commander, its all worthless if you dont have the resources the cast those cards or a way to turn that pile into victory before someone else does
But more importantly, itll let you draw a card under unfavorable conditions when opponents draw their second card, or cast a second spell, or attack you with at least two creatures
You get six foil cards, knowing what they are on purchase, the matching art cards so you can enjoy the panorama, plus three set boosters
Historic mages can use this card in Arena with its inclusion in Historic Anthology 4
A card like this is really difficult to provide a price for since it so wildly depends on what the format looks like
And, really, this Abbey is not even black, it's colorless until, of course, you flip the Abbey into one of the best black demons in Magic: Ormendahl, Profane Prince, who is very much a powerhouse of a payoff for sacrificing your creatures