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 PokÃ©mon (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 PokÃ©mon. (Don't apply Weakness and Resistance for Benched PokÃ©mon.)