Pelargir Survivor is a common Creature — Human Peasant card from The Hobbit Commander (HOC), collector number 182. Current market price: $0.44, TCGplayer market prices via Scryfall.
{T}: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell. {5}{U}, {T}: Target player mills three cards. (They put the top three cards of their library into their graveyard.)