Wrathful Red Dragon {3}{R}{R}
Creature — Dragon
Flying
Whenever a Dragon you control is dealt damage, it deals that much damage to any target that isn't a Dragon.
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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.
Wrathful Raptors 84%
$4.26#2619
"Whenever a Dinosaur you control is dealt damage, it deals that much damage to any target that isn't a Dinosaur."