Kyogre ex

As long as Kyogre ex has 1 Energy or less attached to it, the Retreat Cost for each of your Kyogre ex is 0.

Hydro Shot

Discard 2 Energy attached to Kyogre ex. Choose 1 of your opponent's Pokémon. This attack does 70 damage to that Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)