Unown [X]アンノーンX

Pokémon Power[XXXXX]

Whenever 1 of your Pokémon with Unown in its name uses its Hidden Power attack, flip a coin until you get tails. That attack does 10 more damage for each heads. If you have more than 1 Unown [X] in play, use only 1 [XXXXX] each turn.