Cards similar to Armageddon 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.
Impending Disaster89%
$0.92↓#12947↓1.92↓27.7 years↓
"At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice this enchantment and destroy all lands."
Cleansing88%
$12.90↑#22213↓1.17↓32.2 years
"For each land, destroy that land unless any player pays 1 life."
Catastrophe87%
$3.18↓#12635↓2.00↓28.0 years↓
"Destroy all lands or all creatures. Creatures destroyed this way can't be regenerated."
Jokulhaups86%
$5.62↓#11537↓2.59↓31.4 years↓
"Destroy all artifacts, creatures, and lands. They can't be regenerated."
Myojin of Infinite Rage85%
$2.57↓#17853↓1.21↓22.1 years↓
"Remove a divinity counter from this card: Destroy all lands."
Obliterate85%
$3.76↓#9603↓2.58↓26.0 years↓
"Destroy all artifacts, creatures, and lands. They can't be regenerated."
Decree of Annihilation84%
$2.27↓#12160↓2.39↓23.4 years↓
"When you cycle this card, destroy all lands."