I have about $109 in Uniswap coin in a MetaMask wallet via the app and no Ethereum to do anything. When I try to buy E my card is declined yet there’s money there. (The fee will be about $33). How can I get E or get my coin or the value back?
Welcome to the MetaMask Community @Vicko!! 
You will need to contact customer support of the service you’re trying to make your purchase through for assistance. You can find their support pages below.