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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Two-Headed Sliver 74%
$0.31↓ #6233↑ 0.33↓ 20.0 years
"All Sliver creatures have menace."
typal-sliver, keyword-anthem, symmetrical
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Synchronous Sliver 74%
$0.44↓ #17536↓ 0.17↓ 19.7 years
"All Sliver creatures have vigilance."
typal-sliver, keyword-anthem, symmetrical
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Reflex Sliver 74%
$0.28↓ #14191↓ 0.5019.7 years
"All Sliver creatures have haste."
typal-sliver, keyword-anthem, symmetrical
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Heart Sliver 74%
$1.80↑ #6381↑ 0.3829.0 years↑
"All Sliver creatures have haste."
typal-sliver, keyword-anthem, symmetrical
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Winged Sliver 74%
$0.73↑ #6042↑ 0.4129.0 years↑
"All Sliver creatures have flying."
typal-sliver, keyword-anthem, symmetrical
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Spitting Sliver 73%
$0.29↓ #21591↓ 0.25↓ 19.7 years
"All Sliver creatures have first strike."
typal-sliver, keyword-anthem, symmetrical
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Talon Sliver 73%
$0.33↓ #14299↓ 0.75↑ 29.0 years↑
"All Sliver creatures have first strike."
typal-sliver, keyword-anthem, symmetrical
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Spirit en-Dal 73%
$0.16↓ #17629↓ 0.36↓ 19.5 years
"Shadow"
gives-shadow, restricted-blocker, gives-evasion
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Spinneret Sliver 72%
$0.30↓ #11296 0.21↓ 20.0 years
"All Sliver creatures have reach."
typal-sliver, keyword-anthem, symmetrical
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Firewake Sliver 71%
$0.35↓ #10649 0.75↑ 20.0 years
"All Sliver creatures have haste."
typal-sliver, keyword-anthem, symmetrical