Pokémon Power: [Yield]
Once during your turn (before your attack), you may flip a coin. If heads, search your deck for a [P] Energy card and attach it to 1 of your Pokémon with Unown in its name. Shuffle your deck afterward. This power can be used even if Unown [Y] is Asleep, Confused, or Paralyzed.
[P] Hidden Power: 10
You may have up to 4 Basic Pokémon cards in your deck with Unown in their names.
Their shapes look like hieroglyphs on ancient tablets. It is said that the two are somehow related.