Metal Core Barrier Revealed from SM9b! By: Joldilocks Posted 2 years ago to TCG 36 comments Metal Core Barrier has just been revealed from SM9b Full Metal Wall! The set will release in Japan on February 1st. Metal Core Barrier – Trainer Item Pokemon Tool: Attach a Pokemon Tool to 1 of your Pokemon that doesn’t already have a Pokemon Tool attached. If this card is attached to a Pokemon, discard this card at the end of your opponent’s turn. The [M] Pokemon this card is attached to takes 70 less damage from your opponent’s attacks (after applying Weakness and Resistance). Thanks goes to tunu for the translation!