Vegeta's Power Ball

[Field]
[Permanent] If your Leader Card is a green 《Saiyan》 card, you can activate this card from your hand without paying its energy cost.
[Auto][Once per turn]① : When one of your non-《Great Ape》 《Saiyan》 cards is KO'd by an attack, you may choose a 《Great Ape》 card that includes the color and character name of the KO'd card and an energy cost of 4 in your deck, play it in Rest Mode, then shuffle your deck.
[Auto] At the end of your turn, choose up to 1 《Great Ape》 card in your Battle Area and switch it to Active Mode.