Icy Manipulator {4}
Artifact
{1}, {T}: Tap target artifact, creature, or land.
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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.
Amber Prison 96%
$0.39#23208
"{4}, {T}: Tap target artifact, creature, or land. That permanent doesn't untap during its controller's untap step for as long as this artifact remains tapped."