Jace's Scrutiny 

Instant
$0.11 #21964 0.00 10.5 years
Target creature gets -4/-0 until end of turn.
Investigate. (Create a Clue token. It's an artifact with "
, Sacrifice this token: Draw a card.")
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Cards similar to Jace's Scrutiny 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.
Befuddle98%
$0.04↓#219780.078.5 years↓
"Target creature gets -4/-0 until end of turn."
+1 more matching line
Bewilder98%
$0.04↓#26892↓0.11↑20.0 years↑
"Target creature gets -3/-0 until end of turn."
+1 more matching line
Shocking Grasp98%
$0.10↓#229030.005.2 years↓
"Target creature gets -2/-0 until end of turn."
+1 more matching line
Fleeting Distraction98%
$0.08↓#9059↑0.15↑16.5 years↑
"Target creature gets -1/-0 until end of turn."
+1 more matching line
Constricting Tendrils97%
$0.10↓#29057↓0.0017.7 years↑
"Target creature gets -3/-0 until end of turn."
Depower94%
$0.13↑#184460.16↑0.3 years↓
"Target creature gets -4/-0 until end of turn."
+1 more matching line
Obyra's Attendants // Desperate Parry93%
$0.17↑#198600.003.1 years↓
"Target creature gets -4/-0 until end of turn."
Brinebarrow Intruder93%
$0.17↑#240760.005.7 years↓
"When this creature enters, target creature an opponent controls gets -2/-0 until end of turn."
Humbling Elder93%
$0.13↑#222720.001.5 years↓
"When this creature enters, target creature an opponent controls gets -2/-0 until end of turn."
Cogwork Wrestler93%
$0.11#199120.002.9 years↓
"When this creature enters, target creature an opponent controls gets -2/-0 until end of turn."
Burrog Befuddler93%
$0.15↑#16834↑0.005.5 years↓
"When this creature enters, target creature an opponent controls gets -1/-0 until end of turn."
Faerie Duelist92%
$0.09↓#198340.28↑7.7 years↓
"When this creature enters, target creature an opponent controls gets -2/-0 until end of turn."