Anafenza, Unyielding Lineage is a rare Legendary Creature — Spirit Soldier card from Tarkir: Dragonstorm Promos (PTDM), collector number 2p. Current market price: $0.32 (foil $0.23), TCGplayer market prices via Scryfall.
Flash First strike Whenever another nontoken creature you control dies, Anafenza endures 2. (Put two +1/+1 counters on it or create a 2/2 white Spirit creature token.)