- Choose one- ・ If your Leader Card is green, choose up to 1 of your opponents Unison Cards and remove a marker from it. ・ Choose up to 1 of your opponents Battle Cards with an energy cost of 4 or less and KO it. ・ You may choose 1 of your green 〈Hirudegarn〉 cards and KO it. If you do, draw 1 card.