Clive's Hideaway
Land — Town
Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)
{T}: Add {C}.
{2}, {T}: You may play the exiled card without paying its mana cost if you control four or more legendary creatures.
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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.
Isochron Scepter 82%
$13.60#727
"{2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost."
The Stone Brain 80%
$0.43#23582
"{2}, {T}, Exile this card: Choose a card name. Search target opponent's graveyard, hand, and library for up to four cards with that name and exile them. That player shuffles, then draws a card for each card exiled from their hand this way. Activate only as a sorcery."