Temur Monument 
Artifact
When this artifact enters, search your library for a basic Forest, Island, or Mountain card, reveal it, put it into your hand, then shuffle.
{3}{G}{U}{R}, {T}, Sacrifice this artifact: Create a 5/5 green Elephant creature token. Activate only as a sorcery.
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Cards that do something similar expected a card that isn't here?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.