Its not hard to evaluate a card like Control Magic in a Limited format because the effect is so obviously powerful, but most cards arent that simple

To give a quick example, let's assume I wanted to find out a "fair" price for Vigor, I could look on its product page on magiccardmarket to see the following information (this is for the Lorwyn printing): You can see a number of prices, which I'll explain due to the lack of official documentation on the site: From gives you the cheapest price of availability of this card, with at least Excellent condition Foils from does the same, only counting Foils Price Trend is a fictional number, calculated from recent average selling prices per day the graph on the right illustrates recent prices and also shows the Price Trend, which is helpful to see recent developments - this will also let you gauge whether you can trust the previous figures Now, all of these values need to be taken with a grain of salt, as so far, this includes all sellers registered on the site
Instead, they can pay 1 life and exile a blue card in their hand, allowing them to counter any spell
Incapsula incident ID: 305000210151893790-366912755400246602