Greninja & Zoroark-GX

Dark Pulse

30+

This attack does 30 more damage times the amount of Energy attached to all of your Pokémon.

Dark Union GX

Put 2 in any combination of Pokémon gx_atk and Pokémon from your discard pile onto your Bench. If this Pokémon has at least 1 extra Energy attached to it (in addition to this attack's cost), attach 2 Energy cards from your discard pile to each Pokémon that you put onto your Bench in this way. (You can't use more than 1 gx_atk attack in a game.)