Pikachu ex

If this Pokémon has full HP and would be Knocked Out by damage from an attack, it is not Knocked Out, and its remaining HP becomes 10.

Discard 3 Energy from this Pokémon.

As long as this Pokémon is on your Bench, prevent all damage done to this Pokémon by attacks (both yours and your opponent's).

Pokémon ex rule: When your Pokémon ex is Knocked Out, your opponent takes 2 Prize cards.