Heartless Act 
Instant
$0.16 #4812 0.14 6.5 years
Choose one —
• Destroy target creature with no counters on it.
• Remove up to three counters from target creature.
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Cards similar to Heartless Act 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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"Remove up to five counters from target permanent."
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"• Remove up to three counters from target permanent."
+1 more matching line
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"Destroy target nonartifact creature."
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"• Remove all counters from target creature. It can't have counters put on it for as long as this creature remains on the battlefield."
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"Destroy target nonlegendary creature."
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"Destroy target creature with mana value X."
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"• Destroy target artifact."
+1 more matching line
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"• Destroy target creature with toughness 4 or greater."
+1 more matching line
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"Choose one —"
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"• Destroy target creature with flying."
+1 more matching line