Raiders' Spoils is a uncommon Enchantment card from Khans of Tarkir (KTK), collector number 83. Current market price: $0.10 (foil $0.40), TCGplayer market prices via Scryfall.
Creatures you control get +1/+0. Whenever a Warrior you control deals combat damage to a player, you may pay 1 life. If you do, draw a card.