Vegeta, Face-Off With an Emperor

[Auto] When this card is played, choose up to 1 of your opponent's Battle Cards and KO it. [Auto] If you have a green Z-Unison in play : At the end of your turn, switch this card to Active Mode. [Activate:Main] [Limit 1] G, if your Leader is a green "Son Goku" card and you have 2 or more energy : Play this card from your hand.