24 cards where the color identity is RU and the card types include “legendary” and the card types include “creature” and the card types include “wizard”

Adeliz, the Cinder Wind (Dominaria #190)
Aegar, the Freezing Flame (Kaldheim #200)
Arjun, the Shifting Flame (Double Masters 2022 #172)
Balmor, Battlemage Captain (Dominaria United #196)
Eruth, Tormented Prophet (Innistrad: Crimson Vow #237)
Gandalf the Grey (The Lord of the Rings: Tales of Middle-earth #207)
Jhoira of the Ghitu (Time Spiral Remastered #256)
Johann, Apprentice Sorcerer (Wilds of Eldraine #207)
Jori En, Ruin Diver (Duel Decks: Mind vs. Might #23)
Kaza, Roil Chaser (Outlaws of Thunder Junction Commander #232)
Ludevic, Necro-Alchemist (Commander 2016 #37)
Melek, Izzet Paragon (Commander Masters #345)
Mizzix of the Izmagnus (Commander Masters #348)
Mizzix, Replica Rider (Jumpstart 2022 #35)
Najal, the Storm Runner (Dominaria United #208)
Nin, the Pain Artist (Commander 2017 #183)
Niv-Mizzet, Dracogenius (Commander 2017 #184)
Niv-Mizzet, Parun (Outlaws of Thunder Junction Commander #235)
Niv-Mizzet, the Firemind (Commander 2020 #225)
Rielle, the Everwise (Ikoria: Lair of Behemoths #203)
Tibor and Lumia (Guildpact #135)
Uvilda, Dean of Perfection // Nassari, Dean of Expression (Strixhaven: School of Mages #160)
Uvilda, Dean of Perfection // Nassari, Dean of Expression (Strixhaven: School of Mages #160)
Vadrik, Astral Archmage (Innistrad: Midnight Hunt #248)
Veyran, Voice of Duality (Outlaws of Thunder Junction Commander #248)

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