Scion of Oona is a rare Creature — Faerie Soldier card from Wilds of Eldraine Commander (WOC), collector number 109. Current market price: $8.97, TCGplayer market prices via Scryfall.
Flash Flying Other Faerie creatures you control get +1/+1. Other Faeries you control have shroud. (They can't be the targets of spells or abilities.)