27 cards where the card types include “specter” or the text includes “specter”

Abyssal Specter (Modern Masters 2017 #59)
Blazing Specter (Vintage Masters #245)
Blizzard Specter (Iconic Masters #194)
Doomsday Specter (Planeshift #103)
Dread Specter (Mirage #119)
Entropic Specter (Exodus #61)
Fell Specter (Jumpstart #233)
Guul Draz Specter (Conspiracy: Take the Crown #137)
Headless Specter (Modern Horizons #95)
Hollow Marauder (Outlaws of Thunder Junction #90)
Hollow Specter (Legions #75)
Hypnotic Specter (Magic 2010 #100)
Liliana's Specter (Planechase Anthology #34)
Needle Specter (Eventide #39)
Nightveil Specter (Gatecrash #222)
Reaper of Night // Harvest Fear (Throne of Eldraine #102)
Scythe Specter (Commander Anthology Volume II #74)
Sedraxis Specter (Double Masters 2022 #273)
Shimian Specter (Magic 2013 #109)
Shrieking Specter (Starter 1999 #89)
Silent Specter (Onslaught #169)
Specter of Mortality (Wilds of Eldraine #107)
Specter of the Fens (Strixhaven: School of Mages #87)
Tainted Specter (Mirage #148)
Thief of Sanity (Outlaws of Thunder Junction Commander #243)
Urgoros, the Empty One (Dominaria #109)
Whispering Specter (New Phyrexia #77)

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