Valor of the Worthy is a common Enchantment — Aura card from Kaldheim (KHM), collector number 37. Current market price: $0.26 (foil $0.14), TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature gets +1/+1. When enchanted creature leaves the battlefield, create a 1/1 white Spirit creature token with flying.