>>24742855the new stadium is steel/dark focused and has been known for a while.
Blue Side: Choose which way this card faces before you play it. This ↓ player’s Metal Pokemon take 10 less damage from his or her opponent’s Pokemon’s attacks.
Red Side: Choose which way this card faces before you play it. This ↓ player’s Darkness Pokemon’s attacks do 10 more damage to his or her opponent’s Active Pokemon.