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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Vraska, Golgari Queen 87%
$5.38#4039
"−3: Destroy target nonland permanent with mana value 3 or less."
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Prowling Serpopard 100%
$3.96#3581
"This spell can't be countered."
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Carnage Tyrant 100%
$4.21#6614
"This spell can't be countered."
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Overwhelming Denial 100%
$0.20#16091
"This spell can't be countered."
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Tyrranax Rex 100%
$5.20#2988
"This spell can't be countered."
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Glen Elendra's Answer 100%
$1.20#7867
"This spell can't be countered."
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Gaea's Revenge 100%
$0.27#17202
"This spell can't be countered."
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Cragplate Baloth 100%
$0.19#12445
"This spell can't be countered."
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Lithomantic Barrage 100%
$0.27#16769
"This spell can't be countered."
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Pearl Lake Ancient 100%
$0.42#17233
"This spell can't be countered."
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Wreak Havoc 100%
$0.16#25319
"This spell can't be countered."
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Nezahal, Primal Tide 100%
$7.84#1082
"This spell can't be countered."
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Volcanic Fallout 100%
$0.31#7933
"This spell can't be countered."
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Akroma, Angel of Fury 100%
$0.37#7066
"This spell can't be countered."
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Hexing Squelcher 100%
$18.96#789
"This spell can't be countered."
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Root Sliver 100%
$7.72#6497
"This spell can't be countered."
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Surrak, Elusive Hunter 100%
$1.15#7537
"This spell can't be countered."
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Commence the Endgame 100%
$0.31#8427
"This spell can't be countered."
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Shifting Ceratops 100%
$0.27#8576
"This spell can't be countered."
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Thought Distortion 100%
$0.25#22321
"This spell can't be countered."