
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.
Instrument of the Bards has 6 printings, first in Adventures in the Forgotten Realms (2021). EDHREC ranks it #12,233 among Commander cards. It appears most in Perrie, the Pulverizer decks (261 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.