Pestilence {2}{B}{B}
Enchantment
At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment.
{B}: This enchantment deals 1 damage to each creature and each player.
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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.
Withering Wisps 100%
#20933
"At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment."
+1 more matching line
Call to the Grave 100%
$2.55#12778
"At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment."
Pyrohemia 100%
$13.51#2652
"At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment."
Last Laugh 84%
$2.52#15010
"When no creatures are on the battlefield, sacrifice this enchantment."
+1 more matching line
Task Mage Assembly 83%
$0.23#27429
"When there are no creatures on the battlefield, sacrifice this enchantment."
Porphyry Nodes 83%
$0.26#21280
"When there are no creatures on the battlefield, sacrifice this enchantment."
Drop of Honey 83%
#23996
"When there are no creatures on the battlefield, sacrifice this enchantment."
Enigmatic Incarnation 82%
$0.12#21366
"At the beginning of your end step, you may sacrifice another enchantment. If you do, search your library for a creature card with mana value equal to 1 plus the sacrificed enchantment's mana value, put that card onto the battlefield, then shuffle."
Thrashing Wumpus 81%
$0.86#20187
"{B}: This creature deals 1 damage to each creature and each player."