Switch 163 Secret Rare XY Primal Clash Real Time Price Data. I really love these cards and some of them are impossible to find. Definitely grab them if you can find clean ones for nice prices! How Much Are Your Pokmon Cards Worth? Your Playmat All of Pokemon TCG Pocket's Rarest Cards Are in One New Set CNET Is this a "secret rare". ?? Reason I ask is because the number on the bottom says 074 066. Also is it worth anything? 26 Rare Pikachu Cards & How Much They're Worth