30 cards where the cards have the “obscura” watermark

Body Launderer (Streets of New Capenna #68)
Change of Plans (New Capenna Commander #24)
Diviner of Fates (Alchemy: New Capenna #22)
Echo Inspector (Streets of New Capenna #40)
Hypnotic Grifter (Streets of New Capenna #45)
Illuminator Virtuoso (Streets of New Capenna #17)
Kamiz, Obscura Oculus (New Capenna Commander #3)
Ledger Shredder (Streets of New Capenna #412)
Lethal Scheme (New Capenna Commander #36)
Mask of the Schemer (New Capenna Commander #28)
Nimble Larcenist (Streets of New Capenna #205)
Obscura Ascendancy (Streets of New Capenna #207)
Obscura Charm (Streets of New Capenna #208)
Obscura Confluence (New Capenna Commander #176)
Obscura Initiate (Streets of New Capenna #50)
Obscura Interceptor (Streets of New Capenna #209)
Obscura Storefront (Streets of New Capenna #252)
Psionic Snoop (Streets of New Capenna #53)
Psychic Pickpocket (Streets of New Capenna #54)
Queza, Augur of Agonies (Streets of New Capenna #212)
Raffine, Scheming Seer (Streets of New Capenna #213)
Raffine's Informant (Streets of New Capenna #26)
Raffine's Silencer (Streets of New Capenna #90)
Raffine's Tower (Streets of New Capenna #254)
Revel Ruiner (Streets of New Capenna #91)
Security Bypass (Streets of New Capenna #59)
Shattered Seraph (Streets of New Capenna #221)
Tivit, Seller of Secrets (New Capenna Commander #10)
Toluz, Clever Conductor (Streets of New Capenna #228)
Void Rend (Streets of New Capenna #230)

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