A.I.M. Scientists 

Creature — Human Scientist Villain
When this creature enters, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)
Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)
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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.
Obscura Interceptor 98%
$0.22#18746
"When this creature enters, it connives. When it connives this way, return up to one target spell to its owner's hand."
Psychic Pickpocket 91%
$0.06#22288
"When this creature enters, it connives. When it connives this way, return up to one target nonland permanent to its owner's hand."