Caduceus, Staff of Hermes From a legendary dork to a legendary artifact, both of these are historic, and the equipment doubly so
If you're not, you'll have to take a little more effort, but nothing will be "hidden" look at the result list for prices, keeping in mind that some entries may stray from the average (or have comments further explaining in what ways this card differs from what you would expect) and may need to be discarded in the interest of a truly representative result Following this method, you should have a good idea of how this card is being traded, and apply your individual judgement of fairness to it
Truth be told, we still dont have the cards to run anything but a primitive beatdown and our victories pivot on sheer luck and bad opposing deck design, usually running too few basics
It'll take a little luck, a lot of preparation, and initiative wouldn't be the worst thing