19 cards where the color identity is not ≤ R and the text includes “loses all abilities” and the card is tagged “removal-creature” and the card types exclude “instant”

Amphibian Downpour (Modern Horizons 3 #51)
Fowl Play (Unglued #24)
Frogify (Double Masters #52)
Ichthyomorphosis (Theros Beyond Death #51)
Invasion of Muraganda // Primordial Plasm (March of the Machine #192)
Invasion of Muraganda // Primordial Plasm (March of the Machine #192)
Kasmina's Transmutation (Ravnica Remastered #46)
Kenrith's Transformation (Forgotten Realms Commander #162)
Lignify (Duel Decks Anthology: Garruk vs. Liliana #16)
Oko, Thief of Crowns (Throne of Eldraine #197)
Ray of Frost (Adventures in the Forgotten Realms #68)
Reprobation (Modern Horizons #23)
Soul Sculptor (Urza's Saga #53)
Stop Cold (Outlaws of Thunder Junction #72)
Tamiyo's Compleation (Kamigawa: Neon Dynasty #83)
The Curse of Fenric (Doctor Who #118)
Trickster's Elk (Modern Horizons 3 #175)
Unable to Scream (Duskmourn: House of Horror #78)
Utter Insignificance (Modern Horizons 3 #78)
Witness Protection (Foundations #168)

It is the moment of discovery, the triumph of the mind, and the end of these results.