Heavy Ballista 

Creature — Human Soldier
{T}: This creature deals 2 damage to target attacking or blocking creature.
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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.
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"{T}: This creature deals 3 damage to target attacking or blocking creature."
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"{T}: This creature deals 1 damage to target attacking or blocking creature."
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"{T}: This creature deals 1 damage to target attacking or blocking creature."
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"{T}: This creature deals 1 damage to target attacking or blocking creature."
D'Avenant Archer 96%
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"{T}: This creature deals 1 damage to target attacking or blocking creature."