29 cards where the text includes “vigilance” and (the card types include “equipment”)

Sword of Vengeance (Neon Dynasty Commander #164)
Haunted Cloak (Commander Masters #389)
Halvar, God of Battle // Sword of the Realms (Kaldheim #15)
Halvar, God of Battle // Sword of the Realms (Kaldheim #15)
Tarrian's Soulcleaver (The Lost Caverns of Ixalan #264)
Batterskull (Double Masters #234)
Inquisitorial Rosette (Warhammer 40,000 Commander #159)
Conjurer's Mantle (March of the Machine Commander #12)
Sigiled Sword of Valeron (March of the Machine Commander #377)
Eater of Virtue (Kamigawa: Neon Dynasty #245)
Mace of the Valiant (Commander Masters #41)
Batterbone (Modern Horizons 2 #221)
Accorder's Shield (Magic 2014 #204)
Forebear's Blade (Commander Masters #384)
Cathar's Shield (Eldritch Moon #192)
Ring of Thune (Commander Legends #468)
Glaive of the Guildpact (Guilds of Ravnica #236)
Team Pennant (Strixhaven: School of Mages #260)
Avarice Amulet (Magic 2015 #212)
Pre-War Formalwear (Fallout #21)
Kor Halberd (March of the Machine #27)
Mirran Bardiche (Phyrexia: All Will Be One #22)
Bladed Bracers (Avacyn Restored #213)
Shining Armor (Throne of Eldraine #29)
Avacyn's Collar (Dark Ascension #145)
Valkyrie's Sword (Kaldheim #36)
True-Faith Censer (Shadows over Innistrad #267)
Lotus Ring (The Big Score #24)
Wrench (Murders at Karlov Manor #37)
Shield of the Righteous (Alara Reborn #11)

In the blink of an eye, they strode from deep snow to the end of this search.