More details at this article - Mastercard will support cryptocurrencies

The article states that Mastercard wants to use the USDC stable coin to facilitate payments. Any benefit for "bitcoin" is through the positive media this produces, the acceptance of cryptocurrencies as a thing (not a fad).

What Mastercard is trying to accomplish speed and cost efficiency of transactions not using bitcoin...and let's not give them any brilliant credit for finally realizing that the world's payment/transaction system is incredible antiquated. I mean all of us have known that cryptocurrency and blockchain is the much needed innovation for the financial system for close to ten years now. It's great that big banks are finally accepting this reality and willing to take action.

I'm excited that this is happening, but let's not assume it'll directly increase the price of any particular cryptocurrency.