The Theorist, Jace Beleren 


Legendary Planeswalker — Jace
At the beginning of each opponent's draw step, you draw a card.
+1: Create a 1/1 blue Illusion creature token.
−2: For each opponent, return up to one target artifact or creature that player controls to its owner's hand.
−6: Draw three cards. Then put X +1/+1 counters on each creature you control, where X is the number of cards in your hand.
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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.
Lu Xun, Scholar General 85%
$0.34#16653
"Whenever this card deals damage to an opponent, you may draw a card."
Faerie Mastermind 83%
$10.88#317
"Whenever an opponent draws their second card each turn, you draw a card."
Malignant Growth 82%
$0.57#27824
"At the beginning of each opponent's draw step, that player draws an additional card for each growth counter on this enchantment, then this enchantment deals damage to the player equal to the number of cards they drew this way."
Teferi, Time Raveler 81%
$4.23#1139
"−3: Return up to one target artifact, creature, or enchantment to its owner's hand. Draw a card."