Seal of Primordium {1}{G}
Enchantment
Sacrifice this enchantment: Destroy target artifact or enchantment.
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Cards that do something similar 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.
Aura of Silence 100%
$8.19#2154
"Sacrifice this enchantment: Destroy target artifact or enchantment."
Seal of Cleansing 100%
$0.34#3207
"Sacrifice this enchantment: Destroy target artifact or enchantment."