50 cards where the mana cost is greater than or equal to {R/G} or the text includes “{r/g}”

Fire-Lit Thicket (Double Masters #317)
Jinnie Fay, Jetmir's Second (Streets of New Capenna #195)
Vexing Shusher (Double Masters #225)
Jegantha, the Wellspring (Ikoria: Lair of Behemoths #222)
Manamorphose (Double Masters #208)
Neyith of the Dire Hunt (Jumpstart #30)
Ognis, the Dragon's Lash (Streets of New Capenna #210)
Illuna, Apex of Wishes (Dominaria United Commander #154)
Leyline of the Guildpact (Murders at Karlov Manor #217)
Savageborn Hydra (Double Masters #215)
Wort, the Raidmother (Commander 2020 #234)
Guttural Response (Duel Decks: Mind vs. Might #56)
Rosheen Meanderer (Iconic Masters #206)
Runes of the Deus (Shadowmoor #215)
Pit Fight (Ravnica: Clue Edition #202)
Proud Wildbonder (Ikoria: Lair of Behemoths #229)
Wild Cantor (Ravnica Remastered #239)
Samut, Tyrant Smasher (War of the Spark #235)
Boartusk Liege (Double Masters 2022 #186)
Gruul Locket (Ravnica Allegiance #234)
Burning-Tree Emissary (Double Masters 2022 #189)
Rubblebelt Raiders (Duel Decks: Mind vs. Might #57)
Collision // Colossus (Ravnica Allegiance #223)
Deus of Calamity (Duel Decks: Heroes vs. Monsters #54)
The Fourteenth Doctor (Secret Lair Drop #1583)
Thrash // Threat (Ravnica Remastered #246)
Scuzzback Marauders (Ultimate Masters #221)
Giant Solifuge (Eternal Masters #216)
Firespout (Ravnica: Clue Edition #190)
Tattermunge Witch (Modern Masters 2017 #212)
Boggart Ram-Gang (Shadowmoor #203)
Stampede Surfer (Ravnica: Clue Edition #44)
Gruul Guildmage (Ravnica Remastered #189)
Riftburst Hellion (Murders at Karlov Manor #228)
Deadshot Minotaur (Alara Reborn #52)
Fossil Find (Shadowmoor #206)
Impromptu Raid (Shadowmoor #209)
Morselhoarder (Shadowmoor #212)
Scuzzback Scrapper (Shadowmoor #217)
Giantbaiting (Modern Masters 2017 #208)
Valleymaker (Shadowmoor #221)
Rampart Smasher (Throne of Eldraine #213)
Tattermunge Maniac (Shadowmoor #219)
Tattermunge Duo (Shadowmoor #218)
Rubble Slinger (Ravnica Allegiance #217)
Loamdragger Giant (Shadowmoor #210)
Mudbrawler Raiders (Shadowmoor #213)
Hustle // Bustle (Murders at Karlov Manor #249)
Furious Spinesplitter (Ravnica: Clue Edition #33)
Foxfire Oak (Shadowmoor #115)

The message was clear to Sorin—time to search for something else.