
At the beginning of your upkeep, you may put a harmony counter on Instrument of the Bards.
,
: Search your library for a creature card with mana valuemana valueThe total amount of mana in a card's cost, ignoring colour. A card costing
has mana value 4. X counts as 0 except on the stack. 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 tokenTreasure tokenA Treasure is an artifact token with "
, Sacrifice this token: Add one mana of any color.". Then shuffle.
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Read from the rules text. A card that enables a keyword makes or is the thing; a card that rewards it gets better when you have it. Two cards interact when one enables what the other rewards.