23 cards where the text includes “domain” and the set is “dmu”

Artillery Blast (Dominaria United #6)
Bortuk Bonerattle (Dominaria United #197)
Briar Hydra (Dominaria United #286)
Drag to the Bottom (Dominaria United #91)
Gaea's Might (Dominaria United #164)
Herd Migration (Dominaria United #165)
Jodah's Codex (Dominaria United #233)
Leyline Binding (Dominaria United #24)
Llanowar Greenwidow (Dominaria United #169)
Meria's Outrider (Dominaria United #138)
Nael, Avizoa Aeronaut (Dominaria United #207)
Nishoba Brawler (Dominaria United #174)
Radha, Coalition Warlord (Dominaria United #211)
Radha's Firebrand (Dominaria United #141)
Shadow Prophecy (Dominaria United #105)
Slimefoot's Survey (Dominaria United #178)
Sphinx of Clear Skies (Dominaria United #67)
Sunbathing Rootwalla (Dominaria United #181)
Territorial Maro (Dominaria United #184)
The Weatherseed Treaty (Dominaria United #188)
Voda Sea Scavenger (Dominaria United #74)
Yavimaya Sojourner (Dominaria United #191)
Zar Ojanen, Scion of Efrava (Dominaria United #227)

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