9 cards where the name includes “opus”

Acquisition Octopus (Kamigawa: Neon Dynasty #44)
Crafty Octopus (Unstable #30)
Giant Octopus (Ninth Edition #S4)
Godhunter Octopus (Journey into Nyx #39)
Kraum, Ludevic's Opus (Commander 2016 #34)
Magma Opus (Strixhaven: School of Mages #203)
Octo Opus (Unfinity #54)
Octopus Umbra (Commander 2018 #11)
Sea-Dasher Octopus (Ikoria: Lair of Behemoths #66)

Though this query has ended, its relics still slumber in New Argive.