25 cards where the text includes “extra” and the text includes “turn” and (the color identity is not is U or the number of colors > 1) and it’s legal in Commander

Alchemist's Gambit (Innistrad: Crimson Vow #140)
Chance for Glory (Guilds of Ravnica #159)
Emrakul, the Promised End (Eldritch Moon #6)
Extraction Specialist (Streets of New Capenna #12)
Final Fortune (Seventh Edition #182)
Gerrard's Hourglass Pendant (Dominaria United Commander #17)
Gonti's Aether Heart (Aether Revolt #152)
Last Chance (Dominaria Remastered #127)
Magistrate's Scepter (Core Set 2019 #238)
Medomai the Ageless (Theros #196)
Perch Protection (Bloomburrow Commander #11)
Ral Zarek (Ravnica Remastered #216)
Regenerations Restored (Doctor Who #151)
Rise of the Eldrazi (Commander Masters #716)
Seedtime (Judgment #130)
Stitch in Time (Ravnica Remastered #229)
Stranglehold (Commander Anthology #87)
Swashbuckler Extraordinaire (Commander Legends: Battle for Baldur's Gate #198)
Teferi, Timebender (Dominaria #270)
Temporal Extortion (Planar Chaos #81)
Time Sieve (Double Masters #223)
Timesifter (Mirrodin #262)
Trouble in Pairs (Murders at Karlov Manor Commander #15)
Ugin's Nexus (Khans of Tarkir #227)
Warrior's Oath (Double Masters 2022 #130)

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