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.
Kor Haven92%
$17.73↑#3743↑0.37↑26.6 years↓
": Add ."
hate-attacker, utility-land, activated-ability
Foundry of the Consuls91%
$0.14↑#10083↑0.1311.1 years↓
": Add ."
utility-land, sacrifice-self, activated-ability
Gargoyle Castle91%
$0.15↑#145060.0517.1 years↓
": Add ."
utility-land, sacrifice-self, activated-ability
Blighted Cataract90%
$0.08↓#136070.0910.9 years↓
": Add ."
utility-land, sacrifice-self, activated-ability
Spawning Bed90%
$0.31↑#4643↑0.1010.9 years↓
": Add ."
utility-land, sacrifice-self, activated-ability
Grasping Dunes87%
$0.32↑#7790↑0.099.4 years↓
", , Sacrifice this land: Put a -1/-1 counter on target creature. Activate only as a sorcery."
+1 more matching line
removal-toughness, utility-land, sacrifice-self
Cradle of the Accursed87%
$0.17↑#9060↑0.089.4 years↓
": Add ."
utility-land, sacrifice-self, activated-ability
Grove of the Guardian86%
$0.25↑#10146↑0.1813.9 years↓
": Add ."
utility-land, sacrifice-self, activated-ability
Skemfar Elderhall86%
$0.26↑#10221↑0.125.6 years↓
", , Sacrifice this land: Up to one target creature you don't control gets -2/-2 until end of turn. Create two 1/1 green Elf Warrior creature tokens. Activate only as a sorcery."