Kolaghan Forerunners is a uncommon Creature — Human Berserker card from Dragons of Tarkir (DTK), collector number 144. Current market price: $0.08 (foil $0.44), TCGplayer market prices via Scryfall.
Trample Kolaghan Forerunners's power is equal to the number of creatures you control. 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.)