30 cards where the illustration contains “protection-sphere”

Arcane Denial (Tales of Middle-earth Commander #184)
Cancel (Amonkhet #44)
Change the Equation (March of the Machine #50)
Counterspell (Strixhaven Mystical Archive #78)
Counterspell (Amonkhet Invocations #10)
Countervailing Winds (Hour of Devastation #32)
Delay (Time Spiral Remastered #61)
Dispersal Shield (Scourge #33)
Force of Negation (Modern Horizons #52)
Force of Negation (Double Masters 2022 #346)
Force of Will (Dominaria Remastered #50)
Force Void (Ice Age #70)
Heroic Intervention (Forgotten Realms Commander #161)
Ice Out (Wilds of Eldraine #54)
Minor Misstep (Phyrexia: All Will Be One #64)
Neutralize (Ikoria: Lair of Behemoths #59)
Selfless Glyphweaver // Deadly Vanity (Strixhaven: School of Mages #157)
Selfless Glyphweaver // Deadly Vanity (Strixhaven: School of Mages #157)
Spell Pierce (Store Championships #4)
Sphere of Duty (Odyssey #48)
Sphere of Grace (Odyssey #49)
Sphere of Purity (Mirrodin #26)
Sphere of Reason (Odyssey #51)
Sphere of Safety (Return to Ravnica #24)
Sphere of Truth (Odyssey #52)
Syncopate (Innistrad: Crimson Vow #83)
Test of Faith (Darksteel #17)
The Archimandrite (The Brothers' War Commander #26)
Treasure Vault (Adventures in the Forgotten Realms #358)
Willbender (Legions #58)
Wizard's Retort (Dominaria #75)

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