To add MYST token to your MetaMask wallet, go to the main MetaMask account page. Click on the assets tab, where you’ll see Add Token at the bottom. After you click Add Token, navigate to the Custom Token tab and manually enter the MYST token details. Copy the Token Contract Address (please find below) and paste that onto the Custom Token tab on MetaMask.
MYST token details:
Token Contract Address on PolygonScan: 0x1379e8886a944d2d9d440b3d88df536aea08d9f3
Symbol: MYST
Decimals: 18