Magneton

Magneton is card 82 in the 151 set (2023), a uncommon Pokémon card with the Lightning type, so it has a yellow card frame. In Tall Grass Club you'll find it about 1 in 16 packs when you open free 151 packs.

Uncommons appear three to a pack, so keep opening and it will turn up.

Want to know more about the Pokémon? See Magneton in the Pokédex.