Power Ball (Assault of the Saiyans) [BT7-071_PR]

[Field] (Place and activate this card in your Battle Area. It remains in your Battle Area until you activate another [Field]. When you do, place this card in its owner's Drop Area.)
[Auto] When this card is placed in a Battle Area, choose up to 1 green "Great Ape" card from your deck, add it to your hand, then shuffle your deck.
[Activate:Main] Switch this card to Rest Mode : Choose up to 1 red or green "Saiyan" card in your Battle Area, and it gets +5000 power for the duration of the turn.