Knightly Valor is a common Enchantment — Aura card from Jumpstart (JMP), collector number 115. Current market price: $0.23, TCGplayer market prices via Scryfall.
Enchant creature When this Aura enters, create a 2/2 white Knight creature token with vigilance. (Attacking doesn't cause it to tap.) Enchanted creature gets +2/+2 and has vigilance.