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

Blade Historian (Strixhaven: School of Mages #165)
Zirda, the Dawnwaker (Ikoria: Lair of Behemoths #233)
Response // Resurgence (Guilds of Ravnica #229)
Master Warcraft (Ravnica: City of Guilds #250)
Balefire Liege (Eventide #132)
Trace of Abundance (Alara Reborn #142)
Boros Reckoner (Gatecrash #215)
Duergar Hedge-Mage (Eventide #137)
Waves of Aggression (Eventide #148)
Spitemare (Eventide #147)
Figure of Destiny (Eventide #139)
Nobilis of War (Eventide #144)
Double Cleave (Eventide #135)
Nahiri, Storm of Stone (War of the Spark #233)
Shattering Blow (Gatecrash #225)
Scourge of the Nobilis (Eventide #146)
Boros Guildmage (Ravnica: City of Guilds #242)
Make Your Mark (Strixhaven: School of Mages #204)
Integrity // Intervention (Guilds of Ravnica #227)
Rise of the Hobgoblins (Eventide #145)
Returned Pastcaller (Strixhaven: School of Mages #224)
Boros Recruit (Ravnica: City of Guilds #243)
Kaust, Eyes of the Glade (Murders at Karlov Manor Commander #1)
Duergar Mine-Captain (Eventide #138)
Moonhold (Eventide #143)
Fireborn Knight (Throne of Eldraine #210)
Naya Hushblade (Alara Reborn #141)
Marisi's Twinclaws (Alara Reborn #140)
Duergar Assailant (Eventide #136)
Arrows of Justice (Gatecrash #211)
Battlegate Mimic (Eventide #133)
Fresh-Faced Recruit (Guilds of Ravnica #216)
Hearthfire Hobgoblin (Eventide #141)
Boros Strike-Captain (Ravnica: Clue Edition #25)
Spirit Summoning (Strixhaven: School of Mages #236)
Lorehold Pledgemage (Strixhaven: School of Mages #201)
Belligerent Hatchling (Eventide #134)
Hobgoblin Dragoon (Eventide #142)
Fire at Will (Eventide #140)
Ordruun Mentor (Ravnica: Clue Edition #39)
Fuss // Bother (Murders at Karlov Manor #248)

Their mind whirled with grand plans, never thinking of what might happen if they got to the end of the list.