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.
Fleeting Effigy 100%
$0.20#14724
"{2}{R}: This creature gets +2/+0 until end of turn."
Voldaren Stinger 100%
$0.14#19270
"{2}{R}: This creature gets +2/+0 until end of turn."
Lavastep Raider 100%
$0.04#22524
"{2}{R}: This creature gets +2/+0 until end of turn."
Bold Impaler 100%
$0.16#24438
"{2}{R}: This creature gets +2/+0 until end of turn."
Rampaging Raptor 100%
$0.35#16132
"{2}{R}: This creature gets +2/+0 until end of turn."
Viashino Branchrider 100%
$0.10#23675
"{2}{R}: This creature gets +2/+0 until end of turn."
Phoenix of Ash 100%
$0.32#16653
"{2}{R}: This creature gets +2/+0 until end of turn."
Hematite Golem 99%
$0.09#31157
"{1}{R}: This creature gets +2/+0 until end of turn."
Weaselback Redcap 99%
$0.08#20332
"{1}{R}: This creature gets +2/+0 until end of turn."
Two-Headed Dragon 99%
$0.95#22853
"{1}{R}: This creature gets +2/+0 until end of turn."
Goblin Banneret 99%
$0.16#17850
"{1}{R}: This creature gets +2/+0 until end of turn."
Ill-Tempered Loner // Howlpack Avenger 99%
$0.44#7110
"{1}{R}: This creature gets +2/+0 until end of turn."
Flamescroll Celebrant // Revel in Silence 99%
$0.22#11552
"{1}{R}: This creature gets +2/+0 until end of turn."
Feral Ridgewolf 99%
$0.07#27765
"{1}{R}: This creature gets +2/+0 until end of turn."
Igneous Cur 99%
$0.19#20518
"{1}{R}: This creature gets +2/+0 until end of turn."
Tibalt's Rager 99%
$0.18#22353
"{1}{R}: This creature gets +2/+0 until end of turn."
Ember-Eye Wolf 99%
$0.07#23706
"{1}{R}: This creature gets +2/+0 until end of turn."
Freejam Regent 99%
$0.15#25241
"{1}{R}: This creature gets +2/+0 until end of turn."
Rakdos Trumpeter 98%
$0.06#28074
"{3}{R}: This creature gets +2/+0 until end of turn."
Radha's Firebrand 94%
$0.18#21319
"{5}{R}: This creature gets +2/+2 until end of turn. This ability costs {1} less to activate for each basic land type among lands you control. Activate only once each turn."