9 cards where the card is tagged “bottom-of-library-matters”

Arvinox, the Mind Flail (Universes Within #1)
Bank Job (Alchemy: New Capenna #18)
Cellar Door (Innistrad #218)
Grenzo, Dungeon Warden (Masters 25 #205)
Guess Your Fate (Unfinity #215a)
Lantern of Undersight (Mystery Booster Playtest Cards 2021 #106)
Memory Test (Unfinity #221a)
River Song (Doctor Who #152)
Sunimret (Mystery Booster Playtest Cards 2021 #47)

The message was clear to Sorin—time to search for something else.