Gary Anderson Unicorn Black Brass Darts. All Unicorn World Champion Black Brass Darts feature: Matt Black Brass Barrels, Engraved Unicorn hallmark of quality, Gripper Shafts, Unicorn Flights.Gary Anderson Unicorn Black Brass Darts. All Unicorn World Champion Black Brass Darts feature: Matt Black Brass Barrels, Engraved Unicorn hallmark of quality, Gripper Shafts, Unicorn Flights. Unicorn WC Black Brass – Steel Tip – GA2 – Gary Anderson – BlackGary Anderson Unicorn Black Brass Darts. All Unicorn World Champion Black Brass Darts feature: Matt Black Brass Barrels, Engraved Unicorn hallmark of quality, Gripper Shafts, Unicorn Flights.