i don't remember.........get unonws J, O, I and N your bech then you can take 1 trainer card there to your hand (once during turn).....something like that....
From the oracle: Unown [J] Pokémon card LV. 16 #201 {P} 40 HP Basic Pokémon Weakness: {P} Resistance: n/a Retreat cost: {C} You may have up to 4 Basic Pokémon cards in your deck with Unown in their names. Pokémon Power: [Join] Once during your turn (before your attack), if you have Unown [J], Unown [O], Unown , 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. {P} Hidden Power 10