Rune of Flight is a uncommon Enchantment — Aura Rune card from Kaldheim (KHM), collector number 75. Current market price: $0.20 (foil $0.40), TCGplayer market prices via Scryfall.
Enchant permanent When this Aura enters, draw a card. As long as enchanted permanent is a creature, it has flying. As long as enchanted permanent is an Equipment, it has "Equipped creature has flying."