Cards similar to Flashfires expected a card that isn't here?
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.
Stench of Evil88%
$0.33↑#26382↓1.22↓31.3 years↓
"Destroy all Plains. For each land destroyed this way, this card deals 1 damage to that land's controller unless they pay
."
Cryoclasm80%
$0.10↓#27735↓0.49↓20.1 years↓
"Destroy target Plains or Island. this card deals 3 damage to that land's controller."
Impending Disaster78%
$1.16↑#12676↑1.82↑27.6 years↓
"At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice this enchantment and destroy all lands."
Myojin of Infinite Rage74%
$2.42↑#175780.88↓21.9 years↓
"Remove a divinity counter from this card: Destroy all lands."
Catastrophe74%
$2.91↑#12384↑1.83↑27.9 years↓
"Destroy all lands or all creatures. Creatures destroyed this way can't be regenerated."
Jokulhaups73%
$5.47↑#11332↑2.36↑31.3 years↓
"Destroy all artifacts, creatures, and lands. They can't be regenerated."
Cleansing73%
$12.11↑#219721.22↓32.1 years
"For each land, destroy that land unless any player pays 1 life."
Desolation73%
$1.29↑#15426↑1.51↓29.6 years↓
"At the beginning of each end step, each player who tapped a land for mana this turn sacrifices a land of their choice. This enchantment deals 2 damage to each player who sacrificed a Plains this way."