29 cards where the illustration contains “ghostly-figure”

Ashiok, Nightmare Muse (Theros Beyond Death #208)
Bloodghast (Zendikar #83)
Bloodhusk Ritualist (Worldwake #50)
Bog Tatters (Zendikar #84)
Bog Wraith (Seventh Edition #123)
Claim of Erebos (Born of the Gods #64)
Dimir Cutpurse (Ravnica: City of Guilds #201)
Dimir Infiltrator (Ravnica: City of Guilds #203)
Dismiss into Dream (Magic 2014 #50)
Dreadbringer Lampads (Journey into Nyx #67)
Elephant Guide (Conspiracy #162)
Flicker of Fate (Theros Beyond Death #16)
Flicker of Fate (Jumpstart 2022 #56)
Fog on the Barrow-Downs (The Lord of the Rings: Tales of Middle-earth #16)
Ghostflame Sliver (Time Spiral #239)
Ghosts of the Innocent (Ravnica: City of Guilds #20)
Ghost Warden (Guildpact #5)
Labyrinth Guardian (Amonkhet #60)
Loch Korrigan (Shadowmoor #71)
Phantom Steed (Forgotten Realms Commander #18)
Sandsower (Ravnica: City of Guilds #28)
Sinister Concoction (Shadows over Innistrad #135)
Soldier of the Grey Host (The Lord of the Rings: Tales of Middle-earth #32)
Soulreaper of Mogis (Theros Beyond Death #115)
Spectral Flight (Innistrad #79)
Throne of Bone (Fifth Edition #403)
Transcendent Message (March of the Machine #83)
Twisted Justice (Ravnica: City of Guilds #237)
Vessel of Ephemera (Shadows over Innistrad #48)

The arc of my blade has carved a path of light to the end of these results.