Size is the first and often the most important aspect of graphic design, and for a pixel art style card, how big or rather small you pick your card's size in pixels, dictates how the card and its art looks. There are two major forces pulling your resolution in the opposite directions: Art drags down: When it comes to pixel art, the smaller the size, the less pixel there is to manipulate, and the less time it takes to draw. I consider 16x16 the minimum size that I can fit enough details i...