Search your discard pile for a Energy card and attach it to Regirock ex. If you do, remove 1 damage counter from Regirock ex.
Metal Crush がんてつおとし
If Registeel ex is in play, this attack does 40 damage plus 20 more damage.
This card was included in the EX Emerald expansion, first released as one of the Japanese PLAY Promotional cards. In Japan, it was included in a Player's Club Starter Kit for those who subscribed for a Player's Club membership in 2003.