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.
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Commercial District 100%
$6.74#646
"When this land enters, surveil 1."
+1 more matching line
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Undercity Sewers 100%
$13.56#430
"When this land enters, surveil 1."
+1 more matching line
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Hedge Maze 100%
$10.23#546
"When this land enters, surveil 1."
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Surveillance Room 100%
$0.24#15315
"When this land enters, surveil 1."
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Raucous Theater 100%
$10.03#569
"When this land enters, surveil 1."
+1 more matching line
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Underground Mortuary 100%
$11.98#476
"When this land enters, surveil 1."
+1 more matching line
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Elegant Parlor 100%
$8.49#776
"When this land enters, surveil 1."
+1 more matching line
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Shadowy Backstreet 100%
$10.09#573
"When this land enters, surveil 1."
+1 more matching line
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Thundering Falls 100%
$14.75#621
"When this land enters, surveil 1."
+1 more matching line
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Meticulous Archive 100%
$10.24#704
"When this land enters, surveil 1."
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Hidden Grotto 100%
$0.24#2242
"When this land enters, surveil 1."
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Conduit Pylons 100%
$0.28#1983
"When this land enters, surveil 1."
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Valakut Awakening // Valakut Stoneforge 100%
$16.28#519
"This land enters tapped."
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Sacred Peaks 100%
$0.24#1725
"This land enters tapped."
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Golgari Guildgate 100%
$0.11#1548
"This land enters tapped."
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Opulent Palace 100%
$0.32#380
"This land enters tapped."
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Memorial to War 100%
$0.24#13720
"This land enters tapped."
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Jungle Basin 100%
$0.76#5877
"This land enters tapped."
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Kazuul's Fury // Kazuul's Cliffs 100%
$0.55#1624
"This land enters tapped."
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Ziatora's Proving Ground 100%
$10.12#520
"This land enters tapped."