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.
Winged Sliver92%
$0.66↑#5929↑0.43↓28.9 years↑
"All Sliver creatures have flying."
typal-sliver, keyword-anthem, symmetrical
Galerider Sliver88%
$5.33↑#4032↑0.49↓13.1 years↓
"Sliver creatures you control have flying."
typal-sliver, keyword-anthem, typal-creature
Synchronous Sliver86%
$0.35↑#17251↓0.11↓19.6 years
"All Sliver creatures have vigilance."
typal-sliver, keyword-anthem, symmetrical
Heart Sliver86%
$1.32↑#6275↑0.47↓28.9 years↑
"All Sliver creatures have haste."
typal-sliver, keyword-anthem, symmetrical
Reflex Sliver86%
$0.28↓#14232↓0.89↑19.6 years
"All Sliver creatures have haste."
typal-sliver, keyword-anthem, symmetrical
Spitting Sliver84%
$0.27↓#21382↓0.10↓19.6 years
"All Sliver creatures have first strike."
typal-sliver, keyword-anthem, symmetrical
Talon Sliver84%
$0.28↓#14238↓0.27↓28.9 years↑
"All Sliver creatures have first strike."
typal-sliver, keyword-anthem, symmetrical
Two-Headed Sliver82%
$0.30↓#6129↑0.6319.9 years
"All Sliver creatures have menace."
typal-sliver, keyword-anthem, symmetrical
Pulmonic Sliver82%
$1.62↑#8599↑0.58↓19.9 years
"All Sliver creatures have flying."
typal-sliver, keyword-anthem, symmetrical
Fury Sliver82%
$0.34↑#101970.28↓19.9 years
"All Sliver creatures have double strike."
typal-sliver, keyword-anthem, symmetrical
Horned Sliver82%
$1.91↑#7269↑0.54↓28.9 years↑
"All Sliver creatures have trample."
typal-sliver, keyword-anthem, symmetrical
Battering Sliver82%
$0.19↓#130190.30↓19.6 years
"All Sliver creatures have trample."
typal-sliver, keyword-anthem, symmetrical
Cloudshredder Sliver81%
$3.26↑#3393↑0.707.2 years↓
"Sliver creatures you control have flying and haste."