Each players can't have more than 4 Benched Pokémon. (If more than one effect changes the number of Benched Pokémon, use the smaller number)This card stays in play when you play it. Discard this card if another Stadium card comes into play. If another card with the same name is in play, you can't play this card.
If a player has 5 or more Benched Pokémon when this card is played, they discard Pokémon until there are 4.