Hellrider {2}{R}{R}
Creature — Devil
Haste
Whenever a creature you control attacks, this creature deals 1 damage to the player or planeswalker it's attacking.
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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.
Scorch Spitter 86%
$0.24#12726
"Whenever this creature attacks, it deals 1 damage to the player or planeswalker it's attacking."
Fathom Fleet Swordjack 81%
$0.28#8489
"Whenever this creature attacks, it deals damage to the player or planeswalker it's attacking equal to the number of artifacts you control."