What is the best card for RVN?

As an avid investor in the cryptocurrency sphere, I'm always curious about finding the most efficient ways to mine and trade various digital assets. In the context of Ravencoin (RVN), which has gained significant traction in recent times, I'm particularly intrigued to know: What is the best card for RVN mining? With the ever-evolving landscape of graphics processing units (GPUs) and application-specific integrated circuits (ASICs), it's crucial to make an informed decision on hardware that can maximize the profitability of one's mining efforts. So, what card would you recommend for those looking to mine RVN efficiently and cost-effectively?