The player has to get something, otherwise they'll spend their time doing something else. Personal opinion/speculation : These spells seem a tad too flavorful to become evergreen they only fit planes and stories that have a murder mystery theme, with detectives and law enforcement agencies
Eschers surreal masterpiece Relativity, we now know from March of the Machine that Xerex is more than a little odd, and that it has a fairly mutable sense of reality
Same deal with Tawnos's Coffin from Antiquities : , : Select a creature in play
Get out your reading glasses, because Tarrian's Soulcleaver Coincidentally, Blade of the Bloodchief, previously at $4, is enjoying a bit of a price dip with its reprint in a Lost Caverns of Ixalan precon, and I expect the price to fall even more because the main set contains a far superior version of what Blade offers, even in a deck teeming with Vamps
If an opponent resolves a Vampiric Tutor and they forgot that I've got Pyxis on the field, you can be sure I'll exile the card they searched for
Ever since Final Fantasys Universes Beyond set launched, theres been a spike in pricing for any cards that involve the use of counters, thanks to the focus of the FFX deck helmed by Tidus