Hi friend. Sorry I forgot to explain, I meant the thumbnail view of the cards, for example the thumbnails you see here:
You must be registered to see the links
Or the thumbnail views when you double click on them once downloaded to your pc. They seem to look sharper, more realistic or higher definition.
But now that you have said that, I think you are right, and it could be that some cards use photoshop for the card photo. Or they are rendered in another engine or something. Also, as you say, it's possible that by lowering the resolution, details are lost and it looks “sharper”.
These 2 cards look better in the thumbnail than in-game (at least in my case):
You must be registered to see the links
You must be registered to see the links
And it's true, I'm playing at 1600 (default), but with “Quality” graphics (i.e. at maximum), and in windowed mode, so as not to lose details in fullscreen.
But everything you said makes sense.