You can't have more than 1 cards with the same name in your deck. If a card would go in the discard pile, put it in the Lost Zone instead.
You may have any number of Arceus cards in your deck
You can only have 1 Prism Star Card of the same name per Deck
Prevent all effects of your opponent's attacks, except damage, done to this Pokémon.
You can use this attack only if you have , & Pokémon on your bench. Search your deck for up to 3 Basic Energy cards and attach them on your Pokémon in any way you like. Then, shuffle your deck.