Fire-Rim Form is a common Enchantment — Aura card from Tarkir: Dragonstorm (TDM), collector number 107. Current market price: $0.15 (foil $0.13), TCGplayer market prices via Scryfall.
Flash Enchant creature When this Aura enters, enchanted creature gains first strike until end of turn. Enchanted creature gets +2/+0.