As long as your opponent has Kyogre, Kyogre ex, Rayquaza, or Rayquaza ex in play, Groudon ex's attacks do 40 more damage to the Defending Pokémon (before applying Weakness and Resistance).
Flip a coin. If heads, your opponent discards the top card from his or her deck.
Does 10 damage to each of your Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)
This card was released as one of the English Nintendo Black Star Promos, first released as one of the Japanese PLAY Promotional cards. The English print was included in the EX Collector's Tins, released on October 1, 2006. In Japan, it was included in the Limited Edition Starter Kit, which could only be obtained by those in the Pokémon Player's Club.