Jester's Cap 
Artifact
$0.31 #13747 0.42 31.3 years
, 
, Sacrifice this artifact: Search target player's library for three cards and exile them. Then that player shuffles.Click a line or tag to filter
Cards similar to Jester's Cap 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.
Myr Incubator90%
$2.54↑#157130.12↓22.9 years↓
"
, , Sacrifice this artifact: Search your library for any number of artifact cards, exile them, then create that many 1/1 colorless Myr artifact creature tokens. Then shuffle."
, , Sacrifice this artifact: Search your library for any number of artifact cards, exile them, then create that many 1/1 colorless Myr artifact creature tokens. Then shuffle."
Denying Wind87%
$0.41↑#22431↓0.88↑26.3 years↓
"Search target player's library for up to seven cards and exile them. Then that player shuffles."
Manipulate Fate84%
$0.16↓#21911↓0.29↓25.9 years↓
"Search your library for three cards, exile them, then shuffle."
Extract82%
$5.09↑#16617↓0.57↑24.9 years↓
"Search target player's library for a card and exile it. Then that player shuffles."
Selective Memory79%
$0.38↑#21990↓0.73↑16.6 years↓
"Search your library for any number of nonland cards, exile them, then shuffle."
Sadistic Sacrament78%
$0.78↑#17055↓0.70↑16.9 years↓
"Search target player's library for up to three cards, exile them, then that player shuffles. If this spell was kicked, instead search that player's library for up to fifteen cards, exile them, then that player shuffles."
Foresight76%
$0.14↓#23903↓0.3330.2 years↓
"Search your library for three cards, exile them, then shuffle."
Mana Severance76%
$4.99↑#149120.20↓28.9 years↓
"Search your library for any number of land cards, exile them, then shuffle."
Grinning Totem75%
$0.35↑#21271↓0.3629.9 years↓
", , Sacrifice this artifact: Search target opponent's library for a card and exile it. Then that player shuffles. Until the beginning of your next upkeep, you may play that card. At the beginning of your next upkeep, if you haven't played it, put it into its owner's graveyard."
, , Sacrifice this artifact: Search target opponent's library for a card and exile it. Then that player shuffles. Until the beginning of your next upkeep, you may play that card. At the beginning of your next upkeep, if you haven't played it, put it into its owner's graveyard."
Bitter Ordeal72%
$26.91↑#138210.94↑19.3 years↓
"Search target player's library for a card and exile it. Then that player shuffles."
Elven Lyre72%
$0.77↑#31037↓0.17↓31.8 years
"
, , Sacrifice this artifact: Target creature gets +2/+2 until end of turn."
, , Sacrifice this artifact: Target creature gets +2/+2 until end of turn."
Jester's Mask71%
$9.90↑#20203↓0.57↑31.3 years
", , Sacrifice this artifact: Target opponent puts the cards from their hand on top of their library. Search that player's library for that many cards. That player puts those cards into their hand, then shuffles."
, , Sacrifice this artifact: Target opponent puts the cards from their hand on top of their library. Search that player's library for that many cards. That player puts those cards into their hand, then shuffles."
Neverending Torment71%
$0.75↑#23933↓0.4821.3 years↓
"Search target player's library for X cards, where X is the number of cards in your hand, and exile them. Then that player shuffles."
Lantern of Insight70%
$3.02↑#5682↑0.58↑22.3 years↓
", Sacrifice this artifact: Target player shuffles."
, Sacrifice this artifact: Target player shuffles."
Distant Memories70%
$0.29↓#20362↓0.21↓15.6 years↓
"Search your library for a card, exile it, then shuffle. Any opponent may have you put that card into your hand. If no player does, you draw three cards."