31 cards where the card is tagged “discard-to-library”

A-Akki Ronin (Kamigawa: Neon Dynasty #A-131)
Agonizing Memories (Tenth Edition #126)
Amass the Components (Iconic Masters #41)
Arjun, the Shifting Flame (Double Masters 2022 #172)
Chimney Goyf (Mystery Booster Playtest Cards 2021 #38)
Chimney Imp (Mirrodin #59)
Chittering Rats (Darksteel #39)
Errand-Rider of Gondor (The Lord of the Rings: Tales of Middle-earth #11)
Fire Prophecy (Ikoria: Lair of Behemoths #116)
Head Games (Tenth Edition #148)
Jace, the Mind Sculptor (Double Masters #56)
Jester's Mask (Masters Edition II #211)
Lost Hours (Future Sight #69)
Mindmoil (Ravnica: City of Guilds #135)
Mine, Mine, Mine! (Unglued #65)
Mordenkainen (Adventures in the Forgotten Realms #64)
Painful Memories (Classic Sixth Edition #147)
Perish the Thought (Rise of the Eldrazi #123)
Prying Questions (Eldritch Moon #101)
Psychotic Episode (Time Spiral Remastered #132)
Sadistic Augermage (Duel Decks: Jace vs. Vraska #52)
Seek New Knowledge (Alchemy Horizons: Baldur's Gate #36)
Stunted Growth (Masters Edition II #179)
Tainted Specter (Mirage #148)
The Grand Tour (Mystery Booster Playtest Cards 2021 #30)
Valakut Awakening // Valakut Stoneforge (Zendikar Rising #174)
Valakut Awakening // Valakut Stoneforge (Zendikar Rising #174)
Vendilion Clique (Masters 25 #76)
Volcanic Spite (March of the Machine #170)
Volrath's Dungeon (Exodus #78)
Widespread Panic (Commander 2013 #131)
Worldpurge (Shadowmoor #156)

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