30 cards where the text includes “ equal to its toughness” and the color identity ≤ GRUW

The Pride of Hull Clade (Murders at Karlov Manor #172)
Condemn (Ravnica Remastered #14)
Bedrock Tortoise (The Lost Caverns of Ixalan #176)
Riders of the Mark (The Lord of the Rings: Tales of Middle-earth #827)
Bill the Pony (The Lord of the Rings: Tales of Middle-earth #3)
Streetwise Negotiator (March of the Machine #207)
Symmetry Matrix (The Brothers' War #252)
Walking Bulwark (Dominaria United #241)
Rasaad yn Bashir (Commander Legends: Battle for Baldur's Gate #37)
Baldin, Century Herdmaster (Universes Within #10)
Imperious Mindbreaker (Crimson Vow Commander #33)
Teyo, Aegis Adept (Jumpstart: Historic Horizons #6)
Master Symmetrist (Strixhaven: School of Mages #138)
Wolverine Riders (Kaldheim Commander #14)
Momentous Fall (Jumpstart #411)
Assault Formation (Jumpstart #378)
Solid Footing (Ikoria: Lair of Behemoths #31)
Gauntlets of Light (Core Set 2020 #17)
Treefolk Umbra (Modern Horizons #185)
Huatli, the Sun's Heart (War of the Spark #230)
High Alert (Ravnica Allegiance #182)
Nissa's Revelation (Game Night #47)
Arcades, the Strategist (Core Set 2019 #212)
Angelic Chorus (Battlebond #87)
Paladin of Atonement (Rivals of Ixalan #16)
Belligerent Brontodon (Ixalan #218)
Steadfast Armasaur (Ixalan #39)
Weight Advantage (Conspiracy: Take the Crown #12)
Exile (Vintage Masters #27)
Avenger en-Dal (Nemesis #2)

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