A combination of obscene rarity, stellar artwork, usefulness on the tabletop, and a connection to one of MTGs most famous cards have coalesced to drive its price way up
The Professor Program underwent some changes as well and the entire thing was quite a mess to understand, leaving the promos being some of the lowest print runs around, with very few people even getting their hands on them
(While its prepared, you may cast a copy of its spell
9 Mega Sableye & Tyranitar GX: Unified Minds (Alternate Full Art) $138.90 Reigning Over Dark Types While it's only the first card to kickstart the list of the most valuable Tyranitar cards, this Tag Team combination with Sableye offers one of the most striking Tyranitar depictions ever, as these two deviants celebrate the fruits of their Dark-type deeds
While this will undeniably end up in all kinds of different Commander decks, Doctor Doom also offers Doomsday combos
For example, both sets have the same number of single-faced and double-faced commons (90 SFC/10 DFC), uncommons (60/23), rares (53/11), and mythic rares (15/5)