Taurus is a Zodiac skin that was included as part of the Star Pack offer. This skin was available for purchase as part of this offer in the middle of April 2017.
The Star Pack, which costs $4.99, is released every month under the Zodiac Monthly Deal. This month it included the Taurus skin and a package of either 7000 coins (Browser) or 800 DNA (Mobile). This skin was not available for individual purchase and may not be available for purchase in the future.
Details of this offer may vary depending on location and platform.