Killer's Mask {2}{B}
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 has menace.
Equip {2}
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Cards that do something similar expected a card that isn't here?
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Cursed Windbreaker 100%
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"When this Equipment enters, manifest dread, then attach this Equipment to that creature."
+1 more matching line
Conductive Machete 100%
$0.11#18042
"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."
Nazgûl Battle-Mace 81%
$22.26#4064
"Equipped creature has menace, deathtouch, annihilator 1, and "Whenever an opponent sacrifices a nontoken permanent, put that card onto the battlefield under your control unless that player pays 3 life.""
+1 more matching line