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.
Waste Away 100%
$0.08#31097
"Target creature gets -5/-5 until end of turn."
Join the Dead 100%
$0.22#12025
"Target creature gets -5/-5 until end of turn."
Demon's Grasp 100%
$0.20#26869
"Target creature gets -5/-5 until end of turn."
Sadistic Slash 100%
$0.40#27003
"Target creature gets -5/-5 until end of turn."
Pull Under 100%
$0.10#29769
"Target creature gets -5/-5 until end of turn."
Hydrosurge 100%
$0.05#26428
"Target creature gets -5/-0 until end of turn."
Shrink 100%
#28990
"Target creature gets -5/-0 until end of turn."
Disorient 99%
$0.04#31016
"Target creature gets -7/-0 until end of turn."
Fodder Launch 98%
$0.28#20355
"Target creature gets -5/-5 until end of turn. this card deals 5 damage to that creature's controller."
Dark Deed 98%
$0.20#21658
"Target creature gets -4/-4 until end of turn."
Lash of the Whip 98%
$0.04#28521
"Target creature gets -4/-4 until end of turn."
Flatten 98%
$0.05#27993
"Target creature gets -4/-4 until end of turn."
Sudden Death 98%
$0.12#18257
"Target creature gets -4/-4 until end of turn."
Grasp of Darkness 98%
$0.13#11113
"Target creature gets -4/-4 until end of turn."
Death Pulse 98%
$0.19#27188
"Target creature gets -4/-4 until end of turn."
Whack 98%
$0.06#26685
"Target creature gets -4/-4 until end of turn."
Throttle 98%
$0.06#28446
"Target creature gets -4/-4 until end of turn."
Drown in Ichor 98%
$0.65#2040
"Target creature gets -4/-4 until end of turn. Proliferate."