Light-Paws, Emperor's Voice 

Legendary Creature — Fox Advisor
$2.43 #3093 1.17 4.5 years
Whenever an Aura you control enters, if you cast it, you may search your library for an Aura card with mana value less than or equal to that Aura and with a different name than each Aura you control, put that card onto the battlefield attached to Light-Paws, then shuffle.
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Cards similar to Light-Paws, Emperor's Voice 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.
Auratouched Mage80%
$0.24↓#17028↓0.33↓21.0 years↑
"When this creature enters, search your library for an Aura card that could enchant it. If this creature is still on the battlefield, put that Aura card onto the battlefield attached to it. Otherwise, reveal the Aura card and put it into your hand. Then shuffle."
Sovereigns of Lost Alara78%
$0.87↓#10734↓0.48↓17.3 years↑
"Whenever a creature you control attacks alone, you may search your library for an Aura card that could enchant that creature, put it onto the battlefield attached to that creature, then shuffle."
Three Dreams74%
$0.93↓#9989↓0.37↓21.0 years↑
"Search your library for up to three Aura cards with different names, reveal them, put them into your hand, then shuffle."