Fallen Ferromancer 

Creature — Phyrexian Human Shaman
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
{1}{R}, {T}: This creature deals 1 damage to any target.
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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.
Ballista Watcher // Ballista Wielder 99%
$0.26#20473
"{2}{R}, {T}: This creature deals 1 damage to any target."
Sunflare Shaman 92%
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"{1}{R}, {T}: This creature deals X damage to any target and X damage to itself, where X is the number of Elemental cards in your graveyard."
Olivia's Attendants 89%
$0.37#8574
"{2}{R}: This creature deals 1 damage to any target."
+1 more matching line
Reckless Embermage 84%
$0.51#31200
"{1}{R}: This creature deals 1 damage to any target and 1 damage to itself."