Fertilid 

Creature — Elemental
This creature enters with two +1/+1 counters on it.
{1}{G}, Remove a +1/+1 counter from this creature: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles.
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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.
Realm Seekers 90%
$0.35#9270
"{2}{G}, Remove a +1/+1 counter from this creature: Search your library for a land card, reveal it, put it into your hand, then shuffle."
+1 more matching line
Steelbane Hydra 83%
$0.53#2443
"{2}{G}, Remove a +1/+1 counter from this creature: Destroy target artifact or enchantment."
+1 more matching line