Green Sun's Zenith {X}{G}
Sorcery
Search your library for a green creature card with mana value X or less, put it onto the battlefield, then shuffle. Shuffle Green Sun's Zenith into its owner's library.
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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.
Chord of Calling 91%
$6.35#528
"Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle."
Nature's Rhythm 91%
$4.97#1000
"Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle."
Eldritch Evolution 86%
$3.90#728
"Search your library for a creature card with mana value X or less, where X is 2 plus the sacrificed creature's mana value. Put that card onto the battlefield, then shuffle. Exile this card."
Celestial Reunion 81%
$0.81#10226
"Search your library for a creature card with mana value X or less, reveal it, put it into your hand, then shuffle. If this spell's additional cost was paid and the revealed card is the chosen type, put that card onto the battlefield instead of putting it into your hand."