Cell's Earth-Destroying Kamehameha (BT9-132) - Universal Onslaught

[Activate:Battle] If your Leader Card is green : Choose up to 1 of your Leader Cards or Battle Cards and it gets +15000 power for the duration of the battle.
[Auto] If all of your energy is green : When you activate this card, choose 1 card in your opponent's hand and place it in their Drop Area.