Disruptor Flute is a rare Artifact card from Modern Horizons 3 (MH3), collector number 461. Current market price: $2.74 (foil $9.40), TCGplayer market prices via Scryfall.
Flash As this artifact enters, choose a card name. Spells with the chosen name cost {3} more to cast. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.