55 cards where the mana cost is greater than or equal to {G/U} or the text includes “{g/u}”

Flooded Grove (Duskmourn: House of Horror Commander #276)
Cold-Eyed Selkie (Outlaws of Thunder Junction Commander #218)
Murkfiend Liege (Double Masters 2022 #259)
Kiora, Behemoth Beckoner (War of the Spark #232)
Leyline of the Guildpact (Murders at Karlov Manor #217)
Biomass Mutation (Duskmourn: House of Horror Commander #214)
Shielding Plax (Forgotten Realms Commander #192)
Trumpeting Gnarr (Ikoria: Lair of Behemoths #213)
Repudiate // Replicate (Ravnica Remastered #249)
Spitting Image (Commander 2021 #229)
Keruga, the Macrosage (Ikoria: Lair of Behemoths #225)
Kenessos, Priest of Thassa (Jumpstart 2022 #13)
Incubation // Incongruity (Ravnica: Clue Edition #197)
Tasigur, the Golden Fang (Ultimate Masters #117)
Tatsunari, Toad Rider (Kamigawa: Neon Dynasty #123)
Quandrix Cultivator (Strixhaven: School of Mages #218)
Slippery Bogle (Ultimate Masters #223)
Omo, Queen of Vesuva (Modern Horizons 3 Commander #2)
Drowner of Truth // Drowned Jungle (Modern Horizons 3 #253)
Drowner of Truth // Drowned Jungle (Modern Horizons 3 #253)
Thunderous Snapper (Throne of Eldraine #215)
Bioshift (Gatecrash #214)
Pond Prophet (Bloomburrow #229)
Simic Locket (Ravnica Allegiance #240)
Shaman of the Great Hunt (Fate Reforged #113)
Favor of the Overbeing (Eventide #151)
Lonis, Genetics Expert (Ravnica: Clue Edition #37)
Overbeing of Myth (Eventide #157)
Fable of Wolf and Owl (Eventide #150)
Gilder Bairn (Eventide #152)
Biomantic Mastery (Commander 2015 #239)
Snakeform (Ravnica: Clue Edition #209)
Flotsam // Jetsam (Murders at Karlov Manor #247)
Crystallization (Alara Reborn #144)
Simic Guildmage (Ravnica Remastered #223)
Scuttlegator (Ravnica: Clue Edition #206)
Quandrix Pledgemage (Strixhaven: School of Mages #219)
Manifestation Sage (Strixhaven: School of Mages #205)
Fractal Summoning (Strixhaven: School of Mages #187)
Bant Sureblade (Alara Reborn #143)
Wistful Selkie (Commander 2015 #243)
Invert the Skies (Eventide #155)
Undercover Crocodelf (Murders at Karlov Manor #239)
Scuttling Sentinel (Ravnica: Clue Edition #42)
Selkie Hedge-Mage (Eventide #158)
Square Up (Strixhaven: School of Mages #238)
Grazing Kelpie (Eventide #153)
Messenger Falcons (Alara Reborn #145)
Brokers Initiate (Streets of New Capenna #5)
Sturdy Hatchling (Eventide #163)
Shorecrasher Mimic (Eventide #159)
Merfolk of the Depths (Ravnica Remastered #200)
Trapjaw Kelpie (Eventide #164)
Groundling Pouncer (Eventide #154)
Swirling Spriggan (Eventide #76)
Roalesk, Prime Specimen (Alchemy: Murders at Karlov Manor #26)

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