Whispersilk Cloak 
Artifact — Equipment
$1.89 #331 0.44 22.6 years
Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)
Equip 
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Cards similar to Whispersilk Cloak 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.
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"Equipped creature has shroud."
+1 more matching line
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"Equipped creature can't be blocked."
+1 more matching line
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"Equipped creature has shroud."
+1 more matching line
Veil of Secrecy85%
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"Target creature gains shroud until end of turn and can't be blocked this turn."
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"Enchanted creature has shroud as long as its controller controls another creature."
Svyelunite Priest80%
$0.19↓#30588↓0.60↑31.8 years↑
"
,
: Target creature gains shroud until end of turn. Activate only during your upkeep."
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"Creatures you control gain shroud until end of turn."
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"Enchanted creature gets +2/+2 and has flying and shroud."