Rain Dance - Pokemon Champions

Changes the weather to rain for five turns, during which Water moves inflict 50% extra damage, and Fire moves inflict half damage. If the user is holding Damp Rock, this effect lasts for eight turns. Thunder has 100% accuracy. If the target has used Detect or Protect, Thunder has a (100 - accuracy)% chance to break through the protection. Solar Beam has half power. Moonlight, Morning Sun, and Synthesis heal only 1/4 of the user’s max HP. Pokémon with Swift Swim have doubled original Speed. Pokémon with Forecast become Water. Pokémon with Dry Skin heal 1/8 max HP, Pokémon with Hydration are cured of major status effects, and Pokémon with Rain Dish heal 1/16 max HP at the end of each turn.

The user summons a heavy rain that falls for five turns, powering up Water-type attacks. The rain also lowers the power of Fire-type attacks.