You can obtain the Cosmog (1-Diamond rarity) card by opening Deluxe Pack: ex from Deluxe Pack: ex set
Iron Thorns previewed via Dex entries, hinting at gameplay for Pokmon TCG enthusiasts
The Dark Side Like many Pokemon players, I always wanted a game where you played as a Team Rocket grunt
In short, Shichifukujin Dragon was created to commemorate the opening of the DCI Tournament Center and 1996 World Champion is exactly what it says - the card was created as a prize for the winner of that tournament (Tom Chanpheng)
A creature with Protection from a quality, let's say a colour for simplicity, can't be targeted by spells and abilities of that colour (like Shroud, that's regardless of who controls them)
Furthermore, I think the fact that the card is expensive adds to the feeling that the game-warping card isn't something all players have access to