Of course, the underlying problem still remains: Wizards has already reprinted a significant portion of the expensive cards in Modern (and second / third / fourth reprintings are less valuable and exciting than the first), and the most exciting reprints for other formats are on the Reserved List
As this effect can be paid for up to five times, it can serve as an effective board wipe that gets around both Indestructible and targeting protection like Ward
That is also the reason why it doesnt have a Thirst for name
I dont want this to devolve into a list of Dockside Extortionist combos where the zombies are just incidental
Kaldheim brings with it new keywords such as Foretell, which allows you to exile cards from your hand to play them later for slightly cheaper, and Boast - which is a lot like the Raid mechanic from Tarkir, but this time around you can use special effects on cards for a different cost
Does Flashback Work with Delve