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.
Trading Post 89%
$0.25#2116
"{1}, {T}, Sacrifice an artifact: Draw a card."
Vexing Bauble 88%
$2.26#1316
"{1}, {T}, Sacrifice this artifact: Draw a card."
Soul-Guide Lantern 88%
$0.29#1361
"{1}, {T}, Sacrifice this artifact: Draw a card."
Mind Stone 88%
$0.32#32
"{1}, {T}, Sacrifice this artifact: Draw a card."
Letter of Acceptance 88%
$0.20#9332
"{2}, {T}, Sacrifice this artifact: Draw a card."
Spare Supplies 88%
$0.22#12532
"{2}, {T}, Sacrifice this artifact: Draw a card."
Supply Drop 88%
$0.15#26495
"{4}, {T}, Sacrifice this artifact: Draw a card."
Chronomancer 87%
$1.42#7425
"{1}, {T}, Sacrifice another artifact: Draw a card."
Pendulum of Patterns 87%
$0.06#29312
"{5}, {T}, Sacrifice this artifact: Draw a card."
Technodrome 87%
$1.87#11404
"{T}, Sacrifice another artifact: Draw a card. Put a +1/+1 counter on this creature."