KAIGA

English card reference
Cost: Colorless
The Defending Pokémon's Weakness is now Lightning until the end of your next turn. (The amount of Weakness doesn't change.)
Cost: Lightning, Colorless
Flip a coin. If heads, this attack does 30 more damage.
It makes fur balls that crackle with static electricity. It stores them with berries in tree holes.

Golbat