Spyglass Siren is a uncommon Creature — Siren Pirate card from The Lost Caverns of Ixalan (LCI), collector number 405. Current market price: $1.10 (foil $2.13), TCGplayer market prices via Scryfall.
Flying When this creature enters, create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")