52 cards where the card types include “eldrazi” and the full Oracle text includes “when you cast”

Abundant Maw (Eldritch Moon #1)
Artisan of Kozilek (Commander Masters #801)
Bearer of Silence (Oath of the Gatewatch #67)
Benthic Anomaly (Modern Horizons 3 Commander #46)
Blight Herder (Battle for Zendikar #2)
Breaker of Creation (Modern Horizons 3 #1)
Conduit of Ruin (Battle for Zendikar #4)
Decimator of the Provinces (Eldritch Moon #2)
Depth Defiler (Modern Horizons 3 #58)
Desolation Twin (Commander 2021 #82)
Devourer of Destiny (Modern Horizons 3 #2)
Distended Mindbender (Eldritch Moon #3)
Drowner of Truth // Drowned Jungle (Modern Horizons 3 #253)
Drowner of Truth // Drowned Jungle (Modern Horizons 3 #253)
Drownyard Lurker (Modern Horizons 3 #3)
Elder Deep-Fiend (Commander Legends #368)
Eldrazi Obligator (Oath of the Gatewatch #96)
Eldrazi Repurposer (Modern Horizons 3 #150)
Emrakul, the Aeons Torn (Double Masters 2022 #1)
Emrakul, the Promised End (Eldritch Moon #6)
Emrakul, the World Anew (Modern Horizons 3 #6)
Flayer of Loyalties (Commander Masters #715)
Herigast, Erupting Nullkite (Modern Horizons 3 #8)
Hideous Taskmaster (Modern Horizons 3 Commander #57)
Hope-Ender Coatl (Modern Horizons 3 #64)
It of the Horrid Swarm (Eldritch Moon #8)
Kozilek, Butcher of Truth (Double Masters 2022 #2)
Kozilek, the Broken Reality (Modern Horizons 3 #10)
Kozilek, the Great Distortion (Commander Masters #2)
Lashweed Lurker (Eldritch Moon #9)
Mockery of Nature (Eldritch Moon #10)
Mutated Cultist (Modern Horizons 3 Commander #53)
Nulldrifter (Modern Horizons 3 #13)
Oblivion Sower (Outlaws of Thunder Junction Commander #77)
Petrifying Meddler (Modern Horizons 3 #66)
Ruin Processor (Battle for Zendikar #12)
Sowing Mycospawn (Modern Horizons 3 #170)
Spawn-Gang Commander (Modern Horizons 3 #140)
Thief of Existence (Modern Horizons 3 #174)
Titans' Vanguard (Modern Horizons 3 #206)
Twisted Riddlekeeper (Modern Horizons 3 #14)
Ulamog, the Ceaseless Hunger (Commander Masters #5)
Ulamog, the Defiler (Modern Horizons 3 #15)
Ulamog, the Infinite Gyre (Double Masters 2022 #3)
Vexing Scuttler (Eldritch Moon #11)
Vile Redeemer (Oath of the Gatewatch #125)
Warped Tusker (Modern Horizons 3 #16)
Wastescape Battlemage (Modern Horizons 3 #17)
World Breaker (Oath of the Gatewatch #126)
Wretched Gryff (Eldritch Moon #12)
Writhing Chrysalis (Modern Horizons 3 #208)
Wumpus Aberration (Modern Horizons 3 #176)
Zhulodok, Void Gorger (Commander Masters #704)

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