Pokémon League Headquarters - 192/197 - Obsidian Flames

Card Type: Trainer
Stage: Stadium
Rules:Attacks used by each Basic Pokémon in play (both yours and your opponent's) cost Colorless more., 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.