Conductive Machete 
Artifact — Equipment
When this Equipment enters, manifest dread, then attach this Equipment to that creature. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)
Equipped creature gets +2/+1.
Equip {4}
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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.
Killer's Mask 100%
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"When this Equipment enters, manifest dread, then attach this Equipment to that creature."
+1 more matching line
Cursed Windbreaker 100%
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"When this Equipment enters, manifest dread, then attach this Equipment to that creature."
+1 more matching line
Dissection Tools 100%
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"When this Equipment enters, manifest dread, then attach this Equipment to that creature."