Orochi, Phantom Dragon Diva

[Auto]: At the beginning of your attack phase, if there are four or more cards in your opponent's Ener Zone, your opponent chooses a card from their Ener Zone and puts it into their trash.

[Auto]: Whenever this SIGNI attacks, if there are two or more cards in your opponent's Ener Zone, your opponent chooses a card from their Ener Zone and puts it into their trash.