Chandra, Chill of Compliance {1}{U}{U}
Legendary Planeswalker — Chandra
+1: Surveil 1. If you put a noncreature, nonland card into your graveyard this way, put that card into your hand.
+1: Add {U}. Spend this mana only to cast a noncreature spell.
−X: Tap target artifact or creature. Put X stun counters on it.
−6: You get an emblem with "Whenever you cast a spell, draw a card."
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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.