Sirocco 
Instant
$0.29 #27892 0.53 29.9 years
Target player reveals their hand. For each blue instant card revealed this way, that player discards that card unless they pay 4 life.
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Cards similar to Sirocco 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.
Tyrannize86%
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"Target player discards two cards and loses 2 life."
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"Target player discards two cards and loses 2 life."
Thoughtseize72%
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"Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life."