All cards that fall under the Double Rares categories have double stars, but the regular Double Rares will have a double black star, while SIRs will pack a double yellow star
There are also cards that are more powerful than normal and can even skip the need for evolution, but they drop more Prize cards when defeated
Not really, I am not a collector, but if I have the occasion to trade other winner cards I dont have I will definitely do it
Creatures can still attack you while you have protection from everything, although combat damage that they would deal to you will be prevented
The unique surroundings offer an image which looks at home in any deck
In the late nineteenth century, the original trade cards were inserted into the backs of cigarette packs and functioned as both advertisements for businesses or products and stiffeners for extra protection