Curse of Fool's Wisdom {4}{B}{B}
Enchantment — Aura Curse
Enchant player
Whenever enchanted player draws a card, they lose 2 life and you gain 2 life.
Madness {3}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
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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.
Accursed Witch // Infectious Curse 88%
$0.27#10487
"At the beginning of enchanted player's upkeep, that player loses 1 life and you gain 1 life."
+1 more matching line
Curse of Leeches // Leeching Lurker 88%
$0.29#13933
"At the beginning of enchanted player's upkeep, they lose 1 life and you gain 1 life."
+1 more matching line
Gixian Puppeteer 80%
$2.21#4072
"Whenever you draw your second card each turn, each opponent loses 2 life and you gain 2 life."