44 cards where the illustration contains “cultist”

Altar's Reap (Innistrad #86)
Archfiend's Vessel (Core Set 2021 #88)
Blasphemous Act (Secret Lair Drop #322)
Bloodgift Demon (Innistrad #89)
Bloodgift Demon (Starter Commander Decks #69)
Blood Pact (Innistrad: Midnight Hunt #88)
Coax from the Blind Eternities (Eldritch Moon #51)
Confront the Unknown (Shadows over Innistrad #198)
Covenant of Blood (Magic 2015 #91)
Cryptolith Rite (Shadows over Innistrad #200)
Cultist of the Absolute (Commander Legends: Battle for Baldur's Gate #123)
Cultist's Staff (Eldritch Moon #194)
Cult of the Waxing Moon (Shadows over Innistrad #201)
Demonic Rising (Avacyn Restored #94)
Demon of Catastrophes (Core Set 2019 #91)
Demon's Disciple (Zendikar Rising #97)
Disciple of Griselbrand (Innistrad #98)
Ecstatic Awakener // Awoken Demon (Innistrad: Midnight Hunt #100)
Ecstatic Awakener // Awoken Demon (Innistrad: Midnight Hunt #100)
Emrakul's Evangel (Eldritch Moon #156)
Exultant Cultist (Eldritch Moon #59)
Feaster of Fools (Modern Horizons #90)
Foul Emissary (Eldritch Moon #158)
Gisa and Geralf (Eldritch Moon #183)
Grave Pact (Commander Masters #639)
Human Cleric (Shadows over Innistrad Tokens #10)
Idol of Oblivion (Commander 2019 #55)
Increasing Ambition (Dark Ascension #69)
Infernal Plunge (Innistrad #148)
Initiates of the Ebon Hand (Fallen Empires #39c)
Jace's Scrutiny (Shadows over Innistrad #70)
Lier, Disciple of the Drowned (Innistrad: Midnight Hunt #59)
Nahiri's Machinations (Shadows over Innistrad #28)
Priest of the Blood Rite (Magic Origins #112)
Ravenous Demon // Archdemon of Greed (Dark Ascension Promos #71★)
Ravenous Demon // Archdemon of Greed (Dark Ascension Promos #71★)
Rite of Ruin (Avacyn Restored #153)
Shadowborn Apostle (Magic 2014 #114)
Skirsdag Cultist (Innistrad #163)
Skirsdag Flayer (Dark Ascension #74)
Skirsdag High Priest (Innistrad #117)
Skirsdag Supplicant (Eldritch Moon #104)
Spiteful Motives (Shadows over Innistrad #183)
Stromkirk Occultist (Eldritch Moon #146)
Village Rites (Core Set 2021 #126)
Welcome to the Fold (Shadows over Innistrad #96)

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