Obsidian Flames · 192/197
Pokémon League Headquarters is a Trainer card from the Obsidian Flames expansion of the Pokémon Trading Card Game (card 192/197, Uncommon).
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.
Illustrated by Oswaldo KATO