Zephyr Singer is a rare Creature — Siren Pirate card from March of the Machine Promos (PMOM), collector number 86s. Current market price: — (foil $0.43), TCGplayer market prices via Scryfall.
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Flying, vigilance When this creature enters, put a flying counter on each creature that convoked it.