Pokémon Power: [Zoom]
As long as Unown [Z] is Benched, you pay no Energy cost to retreat a Pokémon with Unown in its name.
[P] Hidden Power: 10
You may have up to 4 Basic Pokémon cards in your deck with Unown in their names.
It is believed that the variety of types of this Pokémon were created by evolutionary adaptation, as each possesses a different ability.