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.

Once during each player's turn, that player may discard a Energy card from their hand. If they do, they draw 3 cards. Whenever any player plays an Item or Supporter card from their hand, prevent all effects of that card done to this Stadium card.