30 cards where the cards aren’t reprints and the mana cost is greater than or equal to {1}{B/R}

Spiteful Visions (Shadowmoor #198)
Murderous Redcap (Shadowmoor #192)
Bloodsoaked Insight // Sanguine Morass (Modern Horizons 3 #252)
Bloodsoaked Insight // Sanguine Morass (Modern Horizons 3 #252)
Ognis, the Dragon's Lash (Streets of New Capenna #210)
Obosh, the Preypiercer (Ikoria: Lair of Behemoths #228)
Angrath, Captain of Chaos (War of the Spark #227)
Evelyn, the Covetous (Streets of New Capenna #184)
Everlasting Torment (Shadowmoor #186)
Kulrath Knight (Shadowmoor #190)
Ashenmoor Liege (Shadowmoor #181)
Cindering Cutthroat (Bloomburrow #208)
Cryptborn Horror (Return to Ravnica #212)
Sonorous Howlbonder (Ikoria: Lair of Behemoths #230)
Fists of the Demigod (Shadowmoor #187)
Torrent of Souls (Shadowmoor #199)
Din of the Fireherd (Shadowmoor #184)
Incriminating Impetus (Ravnica: Clue Edition #35)
Fulminator Mage (Shadowmoor #188)
Grief Tyrant (Shadowmoor #189)
Carnage Interpreter (Ravnica: Clue Edition #26)
Push // Pull (Murders at Karlov Manor #250)
Spiteflame Witch (Shadowmoor #197)
Sootstoke Kindler (Shadowmoor #195)
Tyrannize (Shadowmoor #201)
Traitor's Roar (Shadowmoor #200)
Poison the Well (Shadowmoor #193)
Emberstrike Duo (Shadowmoor #185)
Cultbrand Cinder (Shadowmoor #182)
Sootwalkers (Shadowmoor #196)
Mary O'Kill (Unstable #138)

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