A rather promising card, maybe one which will see more use in a later stage of the game. As of now, it's a card that's simply not viable due to Gondor being a very niche and underused race currently in game. One day, the Gondor deck meta will be possible.
Horn of Gondor
Attachment. Cost: 1.
Each time a Character is defeated, -1 [resource] cost to every Gondor in your hand (minimum 0). (Boromir only)
Requirement: Use only Gondor to deal 20 damage in 1 round
Hero Awards #13. Tactics.