Metal Core Barrier Revealed from SM9b! By: Joldilocks Posted 10 months 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!