Cards given out as challenge promos in the use C1 , C2 etc There are also promo cards with a D23 set ID, though the original D23 Expo set cards are part of the P1 set
Utilizing tutors, graveyard recursion, and other effects to create additional value from your cards all support the elements of our Unified Theory
The policy behind the RL was revised twice, in 2002 and 2010
The set still has some incredible chase cards with beautiful artwork, though, and introduces new Mega Evolutions like Mega Starmie ex and Mega Clefable ex
Interestingly, the basic rules demand that decks cant contain more than two of the five Ink Colours - Amber, Emerald, Ruby, Sapphire, Amethyst and Steel