Cloaked Siren 
Creature — Siren
$0.04 #29480 0.00 12.5 years
Flash (You may cast this spell any time you could cast an instant.)
Flying
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Cards similar to Cloaked Siren 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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$0.18↑#16316↑0.19↑23.0 years↑
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$0.03↓#21744↑0.0013.1 years
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$0.11↑#241320.080.9 years↓
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