Lusamine 

You can play this card only if your opponent has exactly 3 Prize cards remaining.

Prevent all damage done to your Ultra Beasts by attacks during your opponent's next turn.

You may play only 1 Supporter card during your turn (before your attack).

◇ (Prism Star) Rule: You can't have more than 1 ◇ card with the same name in your deck. If a ◇ card would go to the discard pile, put it in the Lost Zone instead.