Minus Energy Power Ball

เอฟเฟกต์การ์ด

[Activate Main] Choose up to 1 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.)