Kyogre

It is said to have widened the seas by causing downpours. It had been asleep in a marine trench.

Spring Tides (30×): Flip a coin until you get tails. This attack does 30 damage times the number of heads.

Ocean Cyclone (80): This attack does 10 damage to each of your opponent's Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)