Flaring Flame-Kin is a uncommon Creature — Elemental Warrior card from Dissension (DIS), collector number 62. Current market price: $0.11 (foil $0.50), TCGplayer market prices via Scryfall.
As long as this creature is enchanted, it gets +2/+2, has trample, and has "{R}: This creature gets +1/+0 until end of turn."