Hardlight Containment 
Enchantment — Aura
Enchant artifact you control
When this Aura enters, exile target creature an opponent controls until this Aura leaves the battlefield.
Enchanted permanent has ward {1}.
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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.
Faith Unbroken 100%
$0.26#10885
"When this Aura enters, exile target creature an opponent controls until this Aura leaves the battlefield."
+1 more matching line
Chained to the Rocks 100%
$0.33#16962
"When this Aura enters, exile target creature an opponent controls until this Aura leaves the battlefield."
+1 more matching line
Dimensional Exile 100%
$0.17#17836
"When this Aura enters, exile target creature an opponent controls until this Aura leaves the battlefield."
On Thin Ice 100%
$0.92#9321
"When this Aura enters, exile target creature an opponent controls until this Aura leaves the battlefield."