59 cards where the color identity ≤ RU and (the card types include “saga” or the full Oracle text includes “saga”)

Urza's Saga (Modern Horizons 2 #259)
Jhoira's Familiar (Double Masters #265)
Jhoira, Weatherlight Captain (Double Masters #203)
Fable of the Mirror-Breaker // Reflection of Kiki-Jiki (Kamigawa: Neon Dynasty #141)
Fable of the Mirror-Breaker // Reflection of Kiki-Jiki (Kamigawa: Neon Dynasty #141)
Urabrask // The Great Work (March of the Machine #169)
Urabrask // The Great Work (March of the Machine #169)
Weatherlight (Neon Dynasty Commander #165)
Jin-Gitaxias // The Great Synthesis (March of the Machine #65)
Jin-Gitaxias // The Great Synthesis (March of the Machine #65)
There and Back Again (The Lord of the Rings: Tales of Middle-earth #151)
Kiora Bests the Sea God (Theros Beyond Death #52)
Traxos, Scourge of Kroog (Dominaria United Commander #195)
Glóin, Dwarf Emissary (The Lord of the Rings: Tales of Middle-earth #132)
Curator's Ward (Dominaria #49)
The Bath Song (The Lord of the Rings: Tales of Middle-earth #40)
Artificer's Assistant (Dominaria #44)
Thran Temporal Gateway (Dominaria #233)
Scroll of Isildur (The Lord of the Rings: Tales of Middle-earth #69)
The Phasing of Zhalfir (Dominaria United #59)
Inventive Iteration // Living Breakthrough (Kamigawa: Neon Dynasty #57)
Inventive Iteration // Living Breakthrough (Kamigawa: Neon Dynasty #57)
The Akroan War (Commander Legends: Battle for Baldur's Gate #777)
The Antiquities War (Dominaria #42)
The Elder Dragon War (Dominaria United #121)
The Mirari Conjecture (Dominaria #57)
Time of Ice (Dominaria #70)
Behold the Unspeakable // Vision of the Unspeakable (Kamigawa: Neon Dynasty #48)
Behold the Unspeakable // Vision of the Unspeakable (Kamigawa: Neon Dynasty #48)
Mishra's Self-Replicator (Dominaria #223)
Book of Mazarbul (The Lord of the Rings: Tales of Middle-earth #116)
The Parting of the Ways (Doctor Who #91)
The Flux (Doctor Who #86)
The Brothers' War (The Brothers' War Commander #22)
Battle of Frost and Fire (Kaldheim #204)
Founding the Third Path (Dominaria United #50)
Kumano Faces Kakkazan // Etching of Kumano (Kamigawa: Neon Dynasty #152)
Kumano Faces Kakkazan // Etching of Kumano (Kamigawa: Neon Dynasty #152)
The Modern Age // Vector Glider (Kamigawa: Neon Dynasty #66)
The Modern Age // Vector Glider (Kamigawa: Neon Dynasty #66)
Medomai's Prophecy (Theros Beyond Death #53)
The Apprentice's Folly (Wilds of Eldraine #200)
Traverse Eternity (Doctor Who #60)
Heaven Sent (Doctor Who #134)
The Eleventh Hour (Doctor Who #41)
The Shattered States Era // Nameless Conqueror (Kamigawa: Neon Dynasty #162)
The Shattered States Era // Nameless Conqueror (Kamigawa: Neon Dynasty #162)
Korvold and the Noble Thief (Wilds of Eldraine #139)
An Unearthly Child (Doctor Who #35)
Invasion of the Giants (Kaldheim #215)
Diligent Excavator (Dominaria #51)
Day of the Moon (Doctor Who #79)
Vault 112: Sadistic Simulation (Fallout #123)
The Flame of Keld (Dominaria #123)
Yotia Declares War (Dominaria United #153)
Vault 21: House Gambit (Fallout #69)
Gadwick's First Duel (Wilds of Eldraine #51)
The Triumph of Anax (Theros Beyond Death #160)
Urza's Tome (Dominaria #235)
The First Eruption (Dominaria #122)
Sentinel of the Pearl Trident (Double Masters #67)
Guardians of Koilos (Dominaria #216)
Keldon Warcaller (Dominaria #136)
Relic Runner (Double Masters #63)
Greatest Show in the Multiverse (Unfinity #189)
The Conundrum of Bowls (Alchemy: Wilds of Eldraine #3)
Victory of the Pyrohammer (Alchemy: Wilds of Eldraine #12)

It is the moment of discovery, the triumph of the mind, and the end of these results.