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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Obsessive Search 100%
$0.21#7807
"Madness {U}"
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Circular Logic 100%
$0.20#7416
"Madness {U}"
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Vacuumelt 100%
$0.14#29514
"Return target creature to its owner's hand."
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Far // Away 100%
$0.16#15797
"Return target creature to its owner's hand."
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Sword Coast Serpent // Capsizing Wave 100%
$0.32#6206
"Return target creature to its owner's hand."
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Arrester's Admonition 100%
$0.06#18751
"Return target creature to its owner's hand."
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Drown in Shapelessness 100%
$0.14#26416
"Return target creature to its owner's hand."
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Consuming Vortex 100%
$0.14#20293
"Return target creature to its owner's hand."
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Repulse 100%
$0.11#8228
"Return target creature to its owner's hand."
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Unexplained Disappearance 100%
$0.21#17209
"Return target creature to its owner's hand."
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Drag Under 100%
$0.07#17479
"Return target creature to its owner's hand."
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Clutch of Currents 100%
$0.07#19525
"Return target creature to its owner's hand."
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Silent Departure 100%
$0.13#14022
"Return target creature to its owner's hand."
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Snapback 100%
$0.44#4827
"Return target creature to its owner's hand."
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Escape Detection 100%
$0.21#12494
"Return target creature to its owner's hand."
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Symbol of Unsummoning 100%
#28086
"Return target creature to its owner's hand."
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Unsummon 100%
#2963
"Return target creature to its owner's hand."
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Force Away 100%
$0.07#20434
"Return target creature to its owner's hand."
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Crashing Tide 100%
$0.09#19753
"Return target creature to its owner's hand."
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Ureni's Rebuff 100%
$0.14#17080
"Return target creature to its owner's hand."