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.
Spitting Sliver100%
$0.27↓#21382↓0.10↓19.6 years↓
"All Sliver creatures have first strike."
typal-sliver, gives-first-strike, keyword-anthem
Lancer Sliver97%
$0.25↓#133480.00↓7.2 years↓
"Sliver creatures you control have first strike."
typal-sliver, gives-first-strike, keyword-anthem
Striking Sliver97%
$0.33↑#5119↑0.70↑13.1 years↓
"Sliver creatures you control have first strike."
typal-sliver, gives-first-strike, keyword-anthem
Fury Sliver90%
$0.34↑#10197↑0.2819.9 years↓
"All Sliver creatures have double strike."
typal-sliver, keyword-anthem, symmetrical
Knighthood86%
$0.40↑#17829↓0.2727.6 years↓
"Creatures you control have first strike."
gives-first-strike, keyword-anthem
Heart Sliver86%
$1.32↑#6275↑0.47↑28.9 years
"All Sliver creatures have haste."
typal-sliver, keyword-anthem, symmetrical
Reflex Sliver86%
$0.28#142320.89↑19.6 years↓
"All Sliver creatures have haste."
typal-sliver, keyword-anthem, symmetrical
Synchronous Sliver86%
$0.35↑#17251↓0.11↓19.6 years↓
"All Sliver creatures have vigilance."
typal-sliver, keyword-anthem, symmetrical
Winged Sliver85%
$0.66↑#5929↑0.43↑28.9 years
"All Sliver creatures have flying."
typal-sliver, keyword-anthem, symmetrical
Spinneret Sliver84%
$0.32↑#11242↑0.73↑19.9 years↓
"All Sliver creatures have reach."
typal-sliver, keyword-anthem, symmetrical
Horned Sliver84%
$1.91↑#7269↑0.54↑28.9 years
"All Sliver creatures have trample."
typal-sliver, keyword-anthem, symmetrical
Battering Sliver84%
$0.19↓#130190.3019.6 years↓
"All Sliver creatures have trample."
typal-sliver, keyword-anthem, symmetrical
Bonescythe Sliver84%
$4.89↑#4311↑0.62↑13.7 years↓
"Sliver creatures you control have double strike."