Enigmatic Incarnation {2}{G}{U}
Enchantment
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.
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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.
Call to the Grave 82%
$2.55#12778
"At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment."
Pestilence 82%
$0.79#4249
"At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment."
Pyrohemia 82%
$13.51#2652
"At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment."