35 cards where the illustration contains “padlock”

Ancestral Memories (Portal #40)
Arcane Encyclopedia (Core Set 2019 #227)
Ashnod's Transmogrant (Antiquities #40)
Bound by Moonsilver (Shadows over Innistrad #7)
Cemetery Gate (Homelands #44a)
Chaos Wand (Core Set 2019 #228)
Contraband Livestock (Commander Legends: Battle for Baldur's Gate #12)
Courier's Briefcase (Streets of New Capenna #142)
Dispatch Dispensary (Unstable #176)
Drowner Initiate (Shadowmoor #36)
Erithizon (Mercadian Masques #244)
Goblin Lackey (From the Vault: Exiled #5)
Greater Good (Urza's Saga #257)
Imoen, Chaotic Trickster (Alchemy Horizons: Baldur's Gate #7r)
Imoen, Honorable Trickster (Alchemy Horizons: Baldur's Gate #7w)
Imoen, Mystic Trickster (Commander Legends: Battle for Baldur's Gate #77)
Imoen, Occult Trickster (Alchemy Horizons: Baldur's Gate #7b)
Imoen, Wily Trickster (Alchemy Horizons: Baldur's Gate #7u)
Imoen, Wise Trickster (Alchemy Horizons: Baldur's Gate #7g)

This card does not meet Magic community standards.

Imprison (Legends #107)
Keymaster Rogue (Gatecrash #39)
Latch Seeker (Avacyn Restored #63)
Memory Lapse (Eternal Masters #60)
Mind Stone (Weatherlight #153)
Mogg Jailer (Planeshift #68)
Monkey Cage (Mercadian Masques #307)
Mox Sapphire (Vintage Championship #2019A)
Mystery Key (Commander Legends: Battle for Baldur's Gate #85)
Oversold Cemetery (Onslaught #160)
Rogue's Gloves (Magic 2015 #227)
Shacklegeist (Core Set 2021 #70)
Sorcerer's Strongbox (Archenemy #116)
Time Out (Unstable #48)
Uninvited Geist // Unimpeded Trespasser (Shadows over Innistrad #94)
Uninvited Geist // Unimpeded Trespasser (Shadows over Innistrad #94)
Urza's Guilt (Planeshift #130)

This search is finished. Now the real work can begin.