Sarkhan Unbroken {2}{G}{U}{R}
Legendary Planeswalker — Sarkhan
+1: Draw a card, then add one mana of any color.
−2: Create a 4/4 red Dragon creature token with flying.
−8: Search your library for any number of Dragon creature cards, put them onto the battlefield, then shuffle.
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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.
Sarkhan, Dragonsoul 100%
#11844
"−9: Search your library for any number of Dragon creature cards, put them onto the battlefield, then shuffle."
Sarkhan Vol 84%
$6.02#15874
"−6: Create five 4/4 red Dragon creature tokens with flying."
+1 more matching line
Sarkhan, Fireblood 82%
$2.14#5794
"−7: Create four 5/5 red Dragon creature tokens with flying."
+1 more matching line