The Blue Spirit 

Legendary Creature — Human Rogue Ally
$0.88 #7467 0.00 0.8 years
You may cast the first creature spell you cast each turn as though it had flash.
Whenever a nontoken creature you control enters during combat, draw a card.
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Cards similar to The Blue Spirit 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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"
,
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+1 more matching line
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"
,
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