Unown [J]

Their shapes look like hieroglyphs on ancient tablets. It is said that the two are somehow related.

Pokemon Power — [Join]: Once during your turn (before you attack), if you have Unown J, Unown O, Unown I, and Unown N on your Bench, you may search your deck for a Basic Pokémon or Evolution Pokémon card. Show that card to your opponent, then put it into your hand. Shuffle your deck afterward.

Hidden Power (10)