Several Season 2 Set Bonuses are now available for testing on the Dragonflight Patch 10.1 PTR! Death Knight, Havoc Demon Hunter, Druid, Mage, Brewmaster Monk, Holy Paladin, and Protection Paladins can purchase tier set items from the test vendor located in Stormwind and Orgrimmar.
Blizzard also just revealed the set bonuses effects for ALL classes in a recent bluepost!