Power Connect

Your Team Plasma Pokémon's attacks (excluding Deoxys-EX) do 10 more damage to the Active Pokémon (before applying Weakness and Resistance).

Helix Force

If this Pokémon has any Plasma Energy attached to it, this attack does 30 more damage for each Energy attached to the Defending Pokémon.

Deoxys-EX

BW Black Star Promos

Ability — Power Connect
 
Your Team Plasma Pokémon’s attacks (excluding Deoxys-EX) do 10 more damage to the Active Pokémon (before applying Weakness and Resistance).