Mardu Strike Leader is a rare Creature — Human Warrior card from Fate Reforged Promos (PFRF), collector number 75s. Current market price: — (foil $0.62), TCGplayer market prices via Scryfall.
Whenever this creature attacks, create a 2/1 black Warrior creature token. Dash {3}{B} (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.)