Pilgrim is one of the three skins released under the Thanksgiving Meal part of the Thanksgiving offer. It could be individually purchased with game coins in late November 2016.
Pilgrim could be purchased in the Skins Shop under the 'Thanksgiving' tab for 690 coins. This skin was available for a limited time and may not be available for purchase in the future.
Details of this skin can vary depending on location, platform or time.