25 cards where the full Oracle text includes “can't be blocked by more than one creature”

Akawalli, the Seething Tower (The Lost Caverns of Ixalan #220)
Alpha Authority (Gatecrash #114)
Battlefront Krushok (Ravnica: Clue Edition #157)
Bristling Boar (Ikoria: Lair of Behemoths #146)
Challenger Troll (Ravnica: Clue Edition #159)
Charging Rhino (Battlebond #192)
Familiar Ground (Seventh Edition #243)
Full Steam Ahead (Outlaws of Thunder Junction #164)
Glorfindel, Dauntless Rescuer (The Lord of the Rings: Tales of Middle-earth #171)
Huang Zhong, Shu General (Portal Three Kingdoms #8)
Hungering Hydra (Commander 2020 #177)
Ironhoof Ox (Masters Edition IV #158)
Kessig Prowler // Sinuous Predator (Eldritch Moon #163)
Kessig Prowler // Sinuous Predator (Eldritch Moon #163)
Krosan Vorine (Vintage Masters #219)
Norwood Riders (Portal Second Age #139)
Outland Colossus (Magic Origins #193)
Rope (Murders at Karlov Manor #173)
Stalking Tiger (Welcome Deck 2017 #28)
Sunder Shaman (Ravnica Remastered #230)
Tahngarth, First Mate (Commander 2019 #50)
The Foretold Soldier (Doctor Who #102)
Vigorspore Wurm (Guilds of Ravnica #147)
Vorrac Battlehorns (Mirrodin #271)
Wolfrider's Saddle (Core Set 2020 #204)
Yuan Shao, the Indecisive (Portal Three Kingdoms #128)

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