25 cards where the cards aren’t reprints and the mana cost is greater than or equal to {U/R}{U/R}

Saheeli, Sublime Artificer (War of the Spark #234)
Expansion // Explosion (Guilds of Ravnica #224)
Teach by Example (Strixhaven: School of Mages #241)
Rush of Inspiration // Crackling Falls (Modern Horizons 3 #257)
Rush of Inspiration // Crackling Falls (Modern Horizons 3 #257)
Dominus of Fealty (Eventide #102)
Tempest Angler (Bloomburrow #235)
Djinn Illuminatus (Guildpact #142)
Call the Skybreaker (Eventide #98)
Mindwrack Liege (Eventide #104)
Izzet Guildmage (Guildpact #145)
Loch Dragon (Throne of Eldraine #211)
Elemental Expressionist (Strixhaven: School of Mages #181)
Crackleburr (Eventide #100)
Elemental Summoning (Strixhaven: School of Mages #183)
Nucklavee (Eventide #110)
Prismari Pledgemage (Strixhaven: School of Mages #215)
Mirror Sheen (Eventide #105)
Ecstatic Electromancer (Ravnica: Clue Edition #31)
Resonance Technician (Ravnica: Clue Edition #41)
Piston-Fist Cyclops (Guilds of Ravnica #217)
Noggle Bandit (Eventide #106)
Frostburn Weird (Return to Ravnica #215)
Crag Puca (Eventide #101)
Noggle Bridgebreaker (Eventide #107)
Lutri, the Spellchaser (Ikoria: Lair of Behemoths #227)

Though this query has ended, its relics still slumber in New Argive.