MWC had recently his seventh exchanges! Biki listed MWC : https://twitter.com/bikienglish/status/1364500138597621765?s=21

You can go over there to trade, buy and sell MWC with BTC with no KYC. https://www.biki.com/trade/MWC_BTC

You can have the full list of exchanges who listed MWC on https://coinmarketcap.com/currencies/mimblewimblecoin/markets/