The Kingpin of Crime {1}{W}{B}
Legendary Creature — Human Villain
Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)
Whenever you attack, you may pay 2 life. If you do, until end of turn, creatures you control with toughness greater than their power assign combat damage equal to their toughness rather than their power.
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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.