Misty's Cerulean City Gym
The attacks of Starmie-GX (both yours and your opponent's) do 40 more damage to the opponent's Active Pokemon (before applying Weakness and Resistance).
Card rule
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.
Hidden Fates