Six-Star Ball, Parasitic Darkness

[Permanent] This card gains "Dark Dragon Ball" in all areas. [Activate:Battle] Choose 1 of your cards and it gets +5000 power for the battle. [Activate:Main] If your opponent has 3 or more energy and you choose 1 of your mono-green "Lord Slug" cards with an energy cost of 3 or 4 and place this card under it : Choose up to 1 green "Lord Slug: Xeno" card with an energy cost of 4 in your deck or hand, play it on top of the chosen card in Active Mode, then shuffle your deck if you looked through it.