Sphinx of Lost Truths {3}{U}{U}
Creature — Sphinx
Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.)
Flying
When this creature enters, draw three cards. Then if it wasn't kicked, discard three cards.
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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.
Steamcore Scholar 97%
$0.25#16530
"When this creature enters, draw two cards. Then discard two cards unless you discard an instant or sorcery card or a creature card with flying."