Unown [J] (Wizards Black Star Promos 38)
0

Once during your turn (before your 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 card. Show that card to your opponent, then put it into your hand. Shuffle your deck afterward.

Psychic
Hidden Power
10
Card rule

You may have up to 4 Basic Pokémon cards in your deck with Unown in their names.