If you use Photoshops eyedropper tool on a scenic photograph, you can extract various colors
You can tell the top-down design here, where someone asked: If I design a card to be a moat, what would it look like? It might not be the most powerful, especially when decks dont necessarily need to attack to win, but its still cool and combines well with cards that enable flying
It was only available inside random booster packs of the Black Collection #1 mini series that was released in December, 2010
In the odd case where some do become expensive, it makes the other products much more alluring to open
This rule was clearly added to prevent players from gaining too much advantage in having more resources in hand than the other players, and so this rule can often be seen as a downside since you are losing cards due to a simple yet sometimes unavoidable rule