Rod of Ruin {4}
Artifact
{3}, {T}: This artifact 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.
Acorn Catapult 96%
$5.15#13904
"{1}, {T}: This artifact deals 1 damage to any target. That permanent's controller or that player creates a 1/1 green Squirrel creature token."
Goblin Cannon 83%
$0.30#18157
"{2}: This artifact deals 1 damage to any target. Sacrifice this artifact."
Explosive Apparatus 83%
$0.16#25226
"{3}, {T}, Sacrifice this artifact: It deals 2 damage to any target."
Springjaw Trap 82%
$0.18#25813
"{4}, {T}, Sacrifice this artifact: It deals 3 damage to any target."