Here are the best, rarest, and most sought-after Pokémon cards to invest in, from old school to new releases. Pokemon Celebrations Shiny Mew Gold Holo. ... Shining Fates #107 Shiny Charizard VMAX. ... 2006 Arcanine ex Legend Maker. ... Pokemon Promo Card Ash's Pikachu SM108. ... Trainer Lillie Full Art Ultra Prism. More items...