Overmaster 
Sorcery
$2.61 #3146 0.15 24.6 years
The next instant or sorcery spell you cast this turn can't be countered.
Draw a card.
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Cards similar to Overmaster 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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"The next creature spell you cast this turn can't be countered."
+1 more matching line
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"Draw a card."
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"Draw a card."
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"Draw a card."
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"Draw a card."
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"When this creature enters, draw a card."
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"When this creature enters, draw a card."
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"When this creature enters, draw a card."
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"When this creature enters, draw a card."
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"When this creature enters, draw a card."
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"When this creature enters, draw a card."
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"When this creature enters, draw a card."