18 cards where the illustration contains “obscura-symbol”

Body Launderer (Streets of New Capenna #68)
Case the Joint (Streets of New Capenna #37)
Cephalid Facetaker (New Capenna Commander #23)
Extraction Specialist (Streets of New Capenna #12)
Faerie Vandal (Streets of New Capenna #44)
Misfortune Teller (New Capenna Commander #38)
Obscura Charm (Streets of New Capenna #208)
Obscura Charm (Streets of New Capenna #323)
Obscura Confluence (New Capenna Commander #176)
Obscura Storefront (Streets of New Capenna #252)
Psionic Snoop (Streets of New Capenna #53)
Queza, Augur of Agonies (Streets of New Capenna #326)
Rabble Rousing (Streets of New Capenna #409)
Raffine's Tower (Streets of New Capenna #254)
Raffine's Tower (Streets of New Capenna #292)
Raffine's Tower (Streets of New Capenna #353)
Toluz, Clever Conductor (Streets of New Capenna #336)
Yidris, Maelstrom Wielder (Secret Lair Drop #455)

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