Valve has released the names of the next 3 winners of the Dota 2 Polycount Contest. That now makes 6 of the 11 winners known, with the final grand winner being announced on Friday. Check back tomorrow to find out who the next four winners are. * Anuxinamoon's 'Snowdrop' for Crystal Maiden * ENODMI's 'Exile' for Naga Siren…