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.
Wall of Shields96%
$0.34↓#23651↓0.59↑31.3 years↑
"Defender"
counts-as-a-type, drawback
Wall of Spears96%
$0.11↓#23554↓0.24↓32.5 years↑
"Defender"
counts-as-a-type, drawback
Living Wall91%
$0.32↓#19743↓0.00↓33.1 years↑
"Defender"
counts-as-a-type, drawback
Walking Wall86%
$0.19↓#25477↓0.24↓31.3 years↑
"Defender"
counts-as-a-type, drawback
Shield Sphere85%
$10.28↑#4070↑0.18↓30.2 years↑
"Defender"
counts-as-a-type, drawback
Necropolis84%
$2.16↑#24344↓0.27↓32.1 years↑
"Defender"
counts-as-a-type, drawback
Mobile Fort84%
$0.32↓#25400↓0.24↓27.9 years
"Defender"
counts-as-a-type, drawback
Snow Fortress83%
$0.59↑#26005↓0.07↓31.3 years↑
"Defender"
counts-as-a-type, drawback
Dirgur Nemesis80%
$0.06↓#28280↓0.25↓11.4 years↓
"Defender"
drawback, gains-pp-counters
Ivy Elemental78%
$0.15↓#17976↓0.19↓24.9 years↓
"This creature enters with X +1/+1 counters on it."
gains-pp-counters
Endless One78%
$1.00↑#6024↑0.05↓10.9 years↓
"This creature enters with X +1/+1 counters on it."