Jace, Wielder of Mysteries 



Legendary Planeswalker — Jace
If you would draw a card while your library has no cards in it, you win the game instead.
+1: Target player mills two cards. Draw a card.
−8: Draw seven cards. Then if your library has no cards in it, you win the game.
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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.
Laboratory Maniac 100%
$2.28#568
"If you would draw a card while your library has no cards in it, you win the game instead."
Ral, Caller of Storms 89%
#20056
"−7: Draw seven cards. this card deals 7 damage to each creature your opponents control."
+1 more matching line
The Royal Scions 85%
$0.65#11224
"−8: Draw four cards. When you do, this card deals damage to any target equal to the number of cards in your hand."
Tamiyo, Field Researcher 85%
$2.56#2950
"−7: Draw three cards. You get an emblem with "You may cast spells from your hand without paying their mana costs.""