Power Ball, Mimicking the Moon (Collector Booster Silver)

[Permanent] If your Leader is a yellow "Son Gohan : Youth" card, yellow "Great Ape" "Son Gohan : Youth" cards with energy costs of 4 in your hand gain the following skill : "[EX-Evolve] Y : Yellow "Son Gohan : Youth" card with an energy cost of 1." [Auto] When you play a yellow "Great Ape" "Son Gohan : Youth" card with an energy cost of 4, choose up to 1 of your opponent's Battle Cards and switch it to Rest Mode.