13 cards where the card types include “locus” or the text includes “locus”

A-Omnath, Locus of Creation (Zendikar Rising #A-232)
Carrion Locust (The Brothers' War #87)
Cloudpost (Mirrodin #280)
Glimmerpost (Scars of Mirrodin #227)
Herald of Slaanesh (Warhammer 40,000 Commander #77)
Locust Swarm (Mirage #226)
Monument to Perfection (Phyrexia: All Will Be One #233)
Omnath, Locus of Creation (Zendikar Rising #232)
Omnath, Locus of Mana (Commander Masters #310)
Omnath, Locus of Rage (Outlaws of Thunder Junction Commander #236)
Omnath, Locus of the Roil (Core Set 2020 #216)
The Enigma Jewel // Locus of Enlightenment (The Lost Caverns of Ixalan #55)
The Enigma Jewel // Locus of Enlightenment (The Lost Caverns of Ixalan #55)
The Locust God (March of the Machine Commander #335)

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