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.
Blighted Cataract95%
$0.10↓#13809↓0.0511.0 years↓
": Add ."
utility-land, sacrifice-self, activated-ability
Blighted Fen90%
$0.14↓#12601↓0.0511.0 years↓
": Add ."
utility-land, sacrifice-self, activated-ability
Throne of the High City90%
$0.23↓#4290↑0.0610.1 years↓
": Add ."
utility-land, sacrifice-self, activated-ability
Strip Mine88%
$15.49↑#531↑1.53↑32.6 years↑
": Add ."
utility-land, sacrifice-self, activated-ability
Haunted Fengraf88%
$0.14↓#7412↑0.0214.7 years
": Add ."
utility-land, sacrifice-self, activated-ability
Cryptic Caves88%
$0.15↓#4604↑0.027.3 years↓
": Add ."
utility-land, sacrifice-self, activated-ability
Junktown88%
$0.28↑#101530.072.6 years↓
": Add ."
utility-land, sacrifice-self, activated-ability
Emergence Zone87%
$3.99↑#538↑0.33↑7.5 years↓
": Add ."
utility-land, sacrifice-self, activated-ability
Quicksand86%
$0.13↓#16059↓0.1029.7 years↑
": Add ."
utility-land, sacrifice-self, activated-ability
Grasping Dunes86%
$0.31↑#79730.119.5 years↓
": Add ."
utility-land, sacrifice-self, activated-ability
Gods' Eye, Gate to the Reikai85%
$0.76↑#13737↓0.0721.7 years↑
": Add ."
utility-land, activated-ability
Memorial to Glory84%
$0.19↓#7049↑0.098.5 years↓
", , Sacrifice this land: Create two 1/1 white Soldier creature tokens."