Professor Onyx {4}{B}{B}
Legendary Planeswalker — Liliana
Magecraft — Whenever you cast or copy an instant or sorcery spell, each opponent loses 2 life and you gain 2 life.
+1: You lose 1 life. Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.
−3: Each opponent sacrifices a creature with the greatest power among creatures that player controls.
−8: Each opponent may discard a card. If they don't, they lose 3 life. Repeat this process six more times.
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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.
Witherbloom Apprentice 99%
$0.63#4567
"Whenever you cast or copy an instant or sorcery spell, each opponent loses 1 life and you gain 1 life."
Melancholic Poet 89%
$0.19#16377
"Whenever you cast an instant or sorcery spell that targets a creature, each opponent loses 1 life and you gain 1 life."
Nicol Bolas, the Deceiver 81%
#12663
"+3: Each opponent loses 3 life unless that player sacrifices a nonland permanent of their choice or discards a card."