best magnetic card holder for pokemon DIY Card/Photo Display Phone Case iPhone | TCG/Picture Display Top Loaders & Sleeves worthy look to your collection. CARD·DICT 25ct Magnetic Card Holder

In terms of collector value, the most valuable single card would be the Pikachu Illustrator

Using the Book of Vile Darkness in combination with the Hand and Eye of Vecna, you can call him forth as an 8/8 indestructible Zombie God who can draw you cards, create Zombie tokens, and buff himself or another creature once per turn

Whenever you cast a creature spell, you may search your library for a Forest or Plains card, put it onto the battlefield tapped, then shuffle

What about Sol Ring

Slowpoke can be obtained from Genetic Apex: Charizard pack in the Genetic Apex set

And I love it when the flavor text gets snarky and snooty