Haste is one of the four skins released under the Rise of the Mechanos part of the Mechanos offer. It could be individually purchased with game coins in late June 2017.
Haste could be purchased in the Skins Shop under the ‘Mechanos’ tab for 2900 coins. It was available for a limited time and may not be available for purchase in the future.
Details of this offer can vary depending on location, platform or time.
Note: The Rise of the Mechanos sub-offer has been released multiple times after the original June 2017 debut. Other limited time releases were in late June 2018, mid March 2019 and finally in mid January 2020. The price for Haste remained at 2900 coins for each release.