Dream Thief {2}{U}
Creature — Faerie Rogue
Flying
When this creature enters, draw a card if you've cast another blue spell this turn.
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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.
Loan Shark 87%
$0.17#17173
"When this creature enters, if you've cast two or more spells this turn, draw a card."
Clockwork Servant 81%
$0.07#22776
"When this creature enters, if at least three mana of the same color was spent to cast it, draw a card."
Splitskin Doll 80%
$0.26#7391
"When this creature enters, draw a card. Then discard a card unless you control another creature with power 2 or less."
Spire Phantasm 80%
$0.06#31496
"When this creature enters, if you guessed correctly for a card named this card, draw a card."