Hot Soup 
Artifact — Equipment
Equipped creature can't be blocked.
Whenever equipped creature is dealt damage, destroy it.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)
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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.
Whispersilk Cloak 91%
$1.49#329
"Equipped creature can't be blocked and has shroud."
+1 more matching line
Prowler's Helm 88%
$0.63#3347
"Equipped creature can't be blocked except by Walls."
+1 more matching line
Hedgewitch's Mask 87%
$0.28#14337
"Equipped creature can't be blocked by creatures with power 4 or greater."
+1 more matching line
Assimilation Aegis 81%
$0.41#9897
"Whenever this Equipment becomes attached to a creature, for as long as this Equipment remains attached to it, that creature becomes a copy of a creature card exiled with this Equipment."