This attack does 30 more damage times the amount of Darkness Energy attached to all of your Pokémon.
Dark Union-GX
Put 2 in any combination of Darkness Pokémon-GX and Darkness Pokémon-EX 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 attack in a game.)
How much is Greninja & Zoroark-GX #201/214 worth?
As of November 8, 2026, Greninja & Zoroark-GX #201/214 from Unbroken Bonds sells for around $363.20 in raw, ungraded condition.
Grading changes the math on this one: a PSA 10 is valued around $1,769.59, roughly 4.9x the raw price, while a PSA 9 sits near $380.00. 3,025 copies have been graded to date, and 46% of them came back a 10 — worth knowing before you pay grading fees.
We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Greninja & Zoroark-GX has moved over time.