Komainu Battle Armor 

Artifact Creature — Equipment Dog
$4.05 #3521 0.18 4.5 years
Menace
Equipped creature gets +2/+2 and has menace.
Whenever this creature or equipped creature deals combat damage to a player, goad each creature that player controls.
Reconfigure
(
: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)
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Cards similar to Komainu Battle Armor 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.
Blade of the Oni80%
$1.02↓#10079↓0.05↓4.5 years
"Equipped creature has base power and toughness 5/5, has menace, and is a black Demon in addition to its other colors and types."
+2 more matching lines
Marisi, Breaker of the Coil78%
$9.17↑#4644↓0.76↑7.0 years↑
"Whenever a creature you control deals combat damage to a player, goad each creature that player controls."
Chitinous Cloak76%
$0.15↓#17155↓0.30↑10.6 years↑
"Equipped creature gets +2/+2 and has menace."
+1 more matching line
Draugr's Helm76%
$0.20↓#24449↓0.195.6 years↑
"Equipped creature gets +2/+2 and has menace."
+1 more matching line
Beamtown Beatstick76%
$0.73↓#2563↑0.03↓3.4 years↓
"Equipped creature gets +1/+0 and has menace."
+1 more matching line
Daredevil's Billy Club75%
$0.32↓#21129↓0.00↓0.2 years↓
"Equipped creature gets +1/+0 and has menace."