Descendant of Storms is a uncommon Creature — Human Soldier card from Tarkir: Dragonstorm (TDM), collector number 8. Current market price: $0.21 (foil $0.25), TCGplayer market prices via Scryfall.
Whenever this creature attacks, you may pay {1}{W}. If you do, it endures 1. (Put a +1/+1 counter on it or create a 1/1 white Spirit creature token.)