scheme card mtg t:scheme · Scryfall Magic: The Gathering Search Power Without Equal — Archenemy:

12 of them are guaranteed Magic cards, while the other two are an art card and a token/ad card

Retrace is a great way to bounce them all back to your hand and do it again

10 Demonlord Belzenlok Demons are one of the most popular black creature types

As such, they will not be reflected in this list of the most expensive Mystery Booster cards, which is instead solely focused on the standard reprints included in the "set." With that established, here are the 10 most valuable Magic: The Gathering Mystery Booster cards as of November 12, 2019: 1

Mummified zombies (including zombie cats and birdfolk) driving magic-powered undead chariots in a race against Mad Max war rigs and space robots