16 cards where the full Oracle text includes “haunting”

Absolver Thrull (Guildpact #1)
Belfry Spirit (Guildpact #2)
Benediction of Moons (Guildpact #3)
Blind Hunter (Ravnica Remastered #166)
Cry of Contrition (Guildpact #46)
Emergent Haunting (Outlaws of Thunder Junction #46)
Exhumer Thrull (Guildpact #50)
Graven Dominator (Guildpact #7)
Haunting Apparition (Mirage #267)
Haunting Figment (Dominaria United #53)
Haunting Imitation (Crimson Vow Commander #13)
Haunting Misery (Weatherlight #71)
Haunting Wind (Antiquities #17)
Orzhov Euthanist (Ravnica Remastered #88)
Orzhov Pontiff (Double Masters 2022 #261)
Seize the Soul (Guildpact #61)

This search is finished. Now the real work can begin.