28 cards where the card types include “legendary creature” and the colors is RUW and the mana cost is greater than or equal to {U}{R}{W}

Akim, the Soaring Wind (Commander 2020 #6)
Aragorn, King of Gondor (Tales of Middle-earth Commander #5)
Dr. Madison Li (Fallout #3)
Dynaheir, Invoker Adept (Commander Legends: Battle for Baldur's Gate #273)
Elsha of the Infinite (Double Masters 2022 #208)
Éowyn, Shieldmaiden (Tales of Middle-earth Commander #1)
Gandalf of the Secret Fire (Tales of Middle-earth Commander #507)
Gavi, Nest Warden (Commander 2020 #7)
Gnostro, Voice of the Crags (Commander Legends #276)
Hinata, Dawn-Crowned (Kamigawa: Neon Dynasty #222)
Immard, the Stormcleaver (Universes Within #14)
Jodah, Archmage Eternal (Double Masters 2022 #233)
Kasla, the Broken Halo (March of the Machine Commander #4)
Kate Stewart (Doctor Who #139)
Kykar, Wind's Fury (Commander Masters #343)
Leori, Sparktouched Hunter (Commander Masters #709)
Narset, Enlightened Exile (March of the Machine: The Aftermath #38)
Narset, Enlightened Master (Commander Masters #931)
Numot, the Devastator (Commander 2011 #215)
Pramikon, Sky Rampart (Commander 2019 #47)
Ruhan of the Fomori (Commander 2011 #221)
Saint Traft and Rem Karolus (March of the Machine Commander #9)
Sevinne, the Chronoclasm (Commander 2019 #49)
The Archimandrite (The Brothers' War Commander #26)
The Face of Boe (Doctor Who #126)
Vadrok, Apex of Thunder (Ikoria: Lair of Behemoths #214)
Zedruu the Greathearted (Commander 2016 #231)
Zurgo and Ojutai (March of the Machine #258)

The arc of my blade has carved a path of light to the end of these results.