Keen Longbow
The City of Ulfast#31 (x3)
Attachment
[2]
Item.   Weapon.  

Attach to a hero. Limit 1 per hero.

Restricted.

Attached hero gains ranged.

Response: After attached hero is declared an as attacker against an enemy, discard up to 3 cards from your hand to deal 1 damage to that enemy for each card discarded this way.