Nebula, cr cards are more expensive because they are no longer available on the market, and the "old" cr that were withdrawn from the market a long time ago are the most expensive ones. not all cr are good cards, many of them are quite the opposite but all the players want them in order to complete their collection. and regarding manon she is actually quite a good card, 2/6 with +4 power as ability at level 3 is more than decent
Urban Rivals | Free Online Manga Trading Card Game | TCG | MMO
The Urban Rivals team is made by lovers of all kind of Collectibles Cards Games and Trading Cards Games like: Magic the Gathering, Dominion, Vampire, Yu-Gi-Oh!, Pokemon, Wakfu TCG, Assassin Creed Recollection, Shadow Era, Kard Kombat and Might & Magic Duel of Champions.