Scabland
Land
This land enters tapped.
{T}: Add {C}.
{T}: Add {R} or {W}. This land deals 1 damage to you.
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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.
Battlefield Forge 100%
$0.28#122
"{T}: Add {R} or {W}. This land deals 1 damage to you."
+1 more matching line
Talisman of Conviction 100%
$0.31#154
"{T}: Add {R} or {W}. This artifact deals 1 damage to you."
+1 more matching line