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.
Languish95%
$0.34↓#5680↑0.19↑11.1 years↑
"All creatures get -4/-4 until end of turn."
removal-toughness, sweeper, removal-creature
Infest95%
$0.13↓#21635↓0.0523.9 years↑
"All creatures get -2/-2 until end of turn."
removal-toughness, sweeper, removal-creature
Nausea95%
$0.03↓#17556↓0.0028.2 years↑
"All creatures get -1/-1 until end of turn."
removal-toughness, sweeper, removal-creature
Shrivel95%
$0.10↓#18243↓0.24↑16.4 years↑
"All creatures get -1/-1 until end of turn."
removal-toughness, sweeper, removal-creature
Planar Despair92%
$0.16↓#29423↓0.1225.3 years↑
"All creatures get -1/-1 until end of turn for each basic land type among lands you control."