Warbringer is a uncommon Creature — Orc Berserker card from Dragons of Tarkir (DTK), collector number 168. Current market price: $0.04 (foil $0.33), TCGplayer market prices via Scryfall.
Dash costs you pay cost {2} less (as long as this creature is on the battlefield). Dash {2}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)