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 Corpses83%
$0.14↓#25284↓0.00↓30.0 years↑
"Defender"
synergy-blocker-self, drawback, spot-removal
Pride Guardian82%
$0.12↓#174220.0515.3 years
"Defender"
synergy-blocker-self, drawback, triggered-ability
Gleaming Barrier82%
$0.11↓#6759↑0.00↓8.8 years↓
"Defender"
death-trigger-self, drawback, death-trigger
Wall of Vipers80%
$0.17↓#29208↓0.1126.4 years↑
"Defender"
synergy-blocker-self, drawback, spot-removal
Psychic Membrane80%
$0.21#174650.0623.0 years↑
"Defender"
synergy-blocker-self, drawback, triggered-ability
Wall of Vapor80%
$0.13↓#22427↓0.1132.4 years↑
"Defender"
synergy-blocker-self, drawback
Wall of Frost80%
$0.20↓#4932↑0.67↑17.3 years↑
"Defender"
synergy-blocker-self, drawback, triggered-ability
Vertigo Spawn78%
$0.07↓#26853↓0.31↑20.7 years↑
"Defender"
synergy-blocker-self, drawback, triggered-ability
Wall of Dust78%
$0.23↑#26043↓0.0632.4 years↑
"Defender"
synergy-blocker-self, drawback, triggered-ability
Wall of Diffusion78%
$0.12↓#28626↓0.00↓29.0 years↑
"Defender"
synergy-blocker-self, drawback
Bogardan Firefiend76%
$0.06↓#29379↓0.0629.4 years↑
"When this creature dies, it deals 2 damage to target creature."