Every printing we track, with today's reference value. Cards someone is selling show the lowest price.
5 cards

Mana Crypt
HarperPrism Book Promos #5

Giant Badger
HarperPrism Book Promos #4

Windseeker Centaur
HarperPrism Book Promos #3

Arena
HarperPrism Book Promos #1

Sewers of Estark
HarperPrism Book Promos #2