You can buy a SERVITOR during the flash presale in December and the public sale in January. They are available on the Polygon Network and cost of mint is only 160 Matic per servitor. Maximum 20 Servitors per purchaser. If you are lucky enough to get on the whitelist for the presale launch, then you could purchase one then as well.  Nevertheless, after the public sale, you can buy a SERVITOR in the secondary market on OpenSea