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