Crackdown {2}{W}
Enchantment
Nonwhite creatures with power 3 or greater don't untap during their controllers' untap steps.
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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.
Marble Titan 87%
$1.63#17564
"Creatures with power 3 or greater don't untap during their controllers' untap steps."
Meekstone 87%
$12.32#2813
"Creatures with power 3 or greater don't untap during their controllers' untap steps."
Icy Blast 84%
$1.32#7055
"If you control a creature with power 4 or greater, those creatures don't untap during their controllers' next untap steps."