Gyarados δ

Poke-BODY — Delta Reactor: As long as any Stadium card with Holon in its name is in play, each of your Pokémon that has δ on its card does 10 more damage to the Defending Pokémon (before applying Weakness and Resistance).

Hyper Beam (20): Flip a coin. If heads, discard an Energy card attached to the Defending Pokémon.

Heavy Impact (80)