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%
$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."
Cleansing88%
$12.11↑#21972↓1.22↓32.1 years
"For each land, destroy that land unless any player pays 1 life."
Catastrophe87%
$2.91↓#12384↓1.83↓27.9 years↓
"Destroy all lands or all creatures. Creatures destroyed this way can't be regenerated."
Jokulhaups86%
$5.47↓#11332↓2.36↓31.3 years↓
"Destroy all artifacts, creatures, and lands. They can't be regenerated."
Myojin of Infinite Rage85%
$2.42↓#17578↓0.88↓21.9 years↓
"Remove a divinity counter from this card: Destroy all lands."
Obliterate85%
$3.59↓#9422↓2.42↓25.9 years↓
"Destroy all artifacts, creatures, and lands. They can't be regenerated."
Decree of Annihilation84%
$2.27↓#11910↓2.10↓23.3 years↓
"When you cycle this card, destroy all lands."