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.
Icequake90%
$0.62↓#267241.00↓31.3 years
"Destroy target land. If that land was a snow land, this card deals 1 damage to that land's controller."
hate-snow, hate-set-mechanic, removal-land
Drain the Well88%
$0.25↓#282110.95↓18.1 years↓
"Destroy target land. You gain 2 life."
removal-land, removal-destroy, lifegain
Maw of the Mire88%
$0.09↓#263330.06↓14.9 years↓
"Destroy target land. You gain 4 life."
removal-land, removal-destroy, lifegain
Break the Ice85%
$0.33↓#236120.61↓5.2 years↓
"Destroy target land that is snow or could produce ."