23 cards where the card is tagged “fact-or-fiction”

Atris, Oracle of Half-Truths (Theros Beyond Death #209)
Brilliant Ultimatum (Shards of Alara #159)
Choose Your Demise (Archenemy: Nicol Bolas Schemes #4★)
Covenant of Minds (Conspiracy: Take the Crown #105)
Epiphany at the Drownyard (Shadows over Innistrad #59)
Fact or Fiction (Commander Masters #91)
Fortune's Favor (Eldritch Moon #61)
Gifts Ungiven (Double Masters 2022 #51)
Hostile Negotiations (The Brothers' War #105)
Intrude on the Mind (Murders at Karlov Manor #61)
Intuition (Tempest Remastered #54)
Jace, Architect of Thought (Commander Masters #851)
Manifold Insights (Commander Anthology Volume II #44)
Phyrexian Portal (Masters Edition II #217)
Realms Uncharted (Rise of the Eldrazi #206)
Sauron's Ransom (The Lord of the Rings: Tales of Middle-earth #225)
Sphinx of Clear Skies (Dominaria United #67)
Sphinx of Uthuun (Commander Legends #406)
Steam Augury (Commander 2015 #233)
The Celestial Toymaker (Secret Lair Drop #1582)
Threats Undetected (Dominaria United #185)
Truth or Tale (Time Spiral #89)
Unesh, Criosphinx Sovereign (Hour of Devastation #52)

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