Pokémon Trading Card Game - Unown [A] - Neo Discovery 41

Pokémon Power: [Anger]
Whenever 1 of your Pokémon with Unown in its name uses its Hidden Power attack, that attack does 10 more damage for each damage counter on Unown [A]. If you have more than 1 Unown [A] in play, use only 1 [Anger] for each attack.

Hidden Power 10

LV.15 #201