38 cards where the illustration contains “heron-in-the-moon”

Arvinox, the Mind Flail (Universes Within #1)
Bloodvial Purveyor (Innistrad: Crimson Vow #98)
Crab (Modern Horizons 2 Tokens #2)
Deadeye Navigator (Avacyn Restored #47)
Devil (Innistrad: Midnight Hunt Tokens #6)
Devil (Shadows over Innistrad Tokens #6)
Diregraf Rebirth (Innistrad: Midnight Hunt #220)
Doom Weaver (Crimson Vow Commander #72)
Dreamroot Cascade (Innistrad: Crimson Vow #282)
Duel for Dominance (Innistrad: Midnight Hunt #184)
Emrakul, the World Anew (Modern Horizons 3 #384)
Ethereal Guidance (Shadows over Innistrad #18)
Falkenrath Pit Fighter (Innistrad: Midnight Hunt #137)
Flame Channeler // Embodiment of Flame (Innistrad: Midnight Hunt #141)
Flame Channeler // Embodiment of Flame (Innistrad: Midnight Hunt #141)
Full Moon's Rise (Innistrad #180)
Hargilde, Kindly Runechanter (Universes Within #5)
Headless Rider (Innistrad: Crimson Vow #118)
Howling Moon (Innistrad: Crimson Vow #204)
Howling Wolf (Conspiracy #167)
Last-Minute Chopping (Happy Holidays #21)
Lunar Frenzy (Innistrad: Midnight Hunt #147)
Lunar Mystic (Avacyn Restored #65)
Misthollow Griffin (Avacyn Restored #68)
Nephalia Moondrakes (Shadows over Innistrad Promos #75)
Nevermore (Innistrad #25)
Othelm, Sigardian Outcast (Universes Within #6)
Paraselene (Innistrad #26)
Prophetic Ravings (Eldritch Moon #139)
Rite of Oblivion (Innistrad: Midnight Hunt #237)
Shacklegeist (Core Set 2021 #70)
Shattered Sanctum (Innistrad: Crimson Vow #283)
Slogurk, the Overslime (Innistrad: Midnight Hunt #242)
Turn Aside (Eldritch Moon #78)
Vampire (Innistrad: Midnight Hunt Tokens #14)
Voldaren Pariah // Abolisher of Bloodlines (Eldritch Moon #111)
Voldaren Pariah // Abolisher of Bloodlines (Eldritch Moon #111)
Wickerwing Effigy (Alchemy: Innistrad #61)
Wolf (Innistrad: Midnight Hunt Tokens #13)
Wolf Strike (Innistrad: Crimson Vow #228)

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