Collector Ouphe {1}{G}
Creature — Ouphe
Activated abilities of artifacts can't be activated.
click a line to search just that ability, click more to combine them
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.
Karn, the Great Creator 84%
$4.73#2011
"Activated abilities of artifacts your opponents control can't be activated."
Damping Matrix 83%
$0.70#15302
"Activated abilities of artifacts and creatures can't be activated unless they're mana abilities."