Cheapest priced copy (Adventures in the Forgotten Realms): $0.49 at Card Kingdom, near mint, their price list as of .
Instrument of the Bards 
Legendary Artifact · Rare · Adventures in the Forgotten Realms · #385
At the beginning of your upkeep, you may put a harmony counter on Instrument of the Bards.
{3}{G}, {T}: Search your library for a creature card with mana value equal to the number of harmony counters on Instrument of the Bards, reveal it, and put it into your hand. If that card is legendary, create a Treasure token. Then shuffle.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
5 printings · $0.49 to $6.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Adventures in the Forgotten Realms | 190 | Rare | $0.49 | $0.79 |
| Adventures in the Forgotten Realms | 385 | Rare | $0.49 | $0.49 |
| Adventures in the Forgotten Realms Promos | 190a | Rare | — | $6.99 |
| Adventures in the Forgotten Realms Promos | 190p | Rare | $0.99 | $1.49 |
| Adventures in the Forgotten Realms Promos | 190s | Rare | — | $0.79 |