During Pokémon Checkup, put 2 more damage counters on each Poisoned non- Pokémon (both yours and your opponent's). You may play only 1 Stadium card during your turn. Put it next to the Active Spot, and discard it if another Stadium comes into play. A Stadium with the same name can't be played. You may play only 1 Stadium card during your turn. Put it into the Active Spot, and discard it if another Stadium comes into play. A Stadium with the same name can't be played.