Silver Harp
The Treachery of Rhudaur #90 (x3)
Vinculada
[2]

Attach to a hero. Restricted.

Response: After a card is discarded from your hand, exhaust Silver Harp to return that card to your hand.

Elrond wore a mantle of grey and had a star upon his forehead, and a silver harp was in his hand... –The Return of the King