Minus Energy Power Ball (FB07-047) [Wish For Shenron]

Product Details

[Activate Main] Choose up to 1 "Omega Shenron" in your Battle Area and switch it to Active Mode. Then, if you have 7 or more cards in your Drop, the card chosen by this skill gains [Double Strike] and +20000 power for the turn.
([Double Strike] : This card inflicts 2 damage instead of 1 when attacking.)