34 cards where the illustration contains “sad”

Agonizing Remorse (Theros Beyond Death #83)
Angel of Flight Alabaster (Innistrad #2)
Ashes of the Abhorrent (Ixalan #2)
Bereaved Survivor // Dauntless Avenger (Innistrad: Midnight Hunt #4)
Bereaved Survivor // Dauntless Avenger (Innistrad: Midnight Hunt #4)
Bind // Liberate (Mystery Booster Playtest Cards 2019 #88)
Blessed Spirits (Magic Origins #7)
Burden of Guilt (Dark Ascension #4)
Declaration in Stone (Shadows over Innistrad #12)
Demotion (Guilds of Ravnica #9)
Die Young (Kaladesh #76)
Dwell on the Past (Torment #124)
Exiled Boggart (Lorwyn #109)
Fading Hope (Innistrad: Midnight Hunt #51)
Feldon of the Third Path (Commander 2014 #35)
Final Parting (Dominaria #93)
Giada, Font of Hope (Planeswalker Championship Promos #2023-2)
Hunt the Weak (Fate Reforged #133)
Memory Deluge (Innistrad: Midnight Hunt #337)
Mortify (Ravnica Allegiance Promos #192)
Nyxborn Eidolon (Born of the Gods #78)
Pack's Betrayal (Innistrad: Midnight Hunt #153)
Pariah (Seventh Edition #30)
Press for Answers (Shadows over Innistrad #80)
Remember the Fallen (New Phyrexia #21)
Requiem Angel (Dark Ascension #18)
Rising Populace (War of the Spark #29)
"Rumors of My Death . . ." (Unstable #65)
Solemn Simulacrum (Mirrodin #245)
Tragic Arrogance (Magic Origins #38)
Traumatic Revelation (March of the Machine #127)
Troubled Healer (Prophecy #27)
Valiant Farewell (Alchemy Horizons: Baldur's Gate #31)
Vedalken Shackles (Fifth Dawn #164)
Vexing Arcanix (Ice Age #344)

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