Dwarven Sea Clan {2}{R}
Creature — Dwarf
{T}: Choose target attacking or blocking creature whose controller controls an Island. This creature deals 2 damage to that creature at end of combat. Activate only before the end of combat step.
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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.