20 cards where it’s legal in Future Standard and the text includes “elemental” and the card types exclude “elemental”

Ardent Elementalist (Innistrad: Midnight Hunt #128)
Brave the Wilds (Wilds of Eldraine #165)
Cavernous Maw (The Lost Caverns of Ixalan #270)
Cosmium Confluence (The Lost Caverns of Ixalan #181)
Dance of the Tumbleweeds (Outlaws of Thunder Junction #160)
Hylda of the Icy Crown (Wilds of Eldraine #206)
Invasion of Mercadia // Kyren Flamewright (March of the Machine #147)
Invasion of Mercadia // Kyren Flamewright (March of the Machine #147)
Joyful Stormsculptor (March of the Machine #243)
Lagomos, Hand of Hatred (Dominaria United #205)
Llanowar Loamspeaker (Dominaria United #170)
Nissa, Resurgent Animist (March of the Machine: The Aftermath #22)
Preening Champion (March of the Machine #73)
Ral's Reinforcements (March of the Machine #158)
Relive the Past (Murders at Karlov Manor #226)
Restless Spire (Wilds of Eldraine #260)
Seize the Storm (Innistrad: Midnight Hunt #158)
Tatyova, Steward of Tides (Dominaria United #222)
Tumbleweed Rising (Outlaws of Thunder Junction #187)
Vengeant Earth (March of the Machine #212)
Wrenn and Realmbreaker (March of the Machine #217)

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