37 cards where (the text includes “hexproof” or the text includes “shroud”) and (the card types include “equipment” or the card types include “aura”)

Swiftfoot Boots (Outlaws of Thunder Junction Commander #268)
Lightning Greaves (Outlaws of Thunder Junction Commander #260)
Whispersilk Cloak (Planechase Anthology #115)
Shadowspear (Theros Beyond Death #236)
Alpha Authority (Gatecrash #114)
Mask of Avacyn (Commander Legends #466)
Champion's Helm (Commander Masters #375)
Pemmin's Aura (Scourge #45)
Mirror Shield (Theros Beyond Death #234)
Curator's Ward (Dominaria #49)
Neurok Stealthsuit (Duel Decks: Mirrodin Pure vs. New Phyrexia #25)
Diplomatic Immunity (Mercadian Masques #75)
Trace of Abundance (Alara Reborn #142)
Smoke Shroud (Modern Horizons #69)
Bilbo's Ring (The Lord of the Rings: Tales of Middle-earth #298)
Eater of Virtue (Kamigawa: Neon Dynasty #245)
Aspect of Mongoose (Time Spiral #191)
Clout of the Dominus (Eventide #99)
Silver Shroud Costume (Fallout #142)
Cloak and Dagger (Morningtide #141)
Ring of Evos Isle (Magic 2013 #211)
Giant's Amulet (Kaldheim #59)
Alexi's Cloak (Prophecy #29)
Robe of Mirrors (Tenth Edition #101)
General's Kabuto (Champions of Kamigawa #251)
Protective Bubble (Lorwyn #80)
Starlit Mantle (Theros Beyond Death #67)
Cradle of Safety (Innistrad: Crimson Vow #54)
Aboshan's Desire (Odyssey #59)
Favorable Destiny (Mirage #16)
Maze's Mantle (Phyrexia: All Will Be One #174)
Fae Flight (Murders at Karlov Manor #56)
Mystic Veil (Visions #38)
Zephid's Embrace (Urza's Saga #114)
Airtight Alibi (Murders at Karlov Manor #149)
Relic Ward (Visions #16)
Spectral Cloak (Legends #78)

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