When you play this Pokémon from your hand to evolve 1 of your Pokémon during your turn, you may put 3 damage counters on 1 of your opponent's Pokémon.
Attacks
110Haze Slash
You may shuffle this Pokémon and all cards attached to it into your deck.
Shadowy Hunter-GX
This attack does 130 damage to 1 of your opponent's Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.) (You can't use more than 1 GX attack in a game.)
How much is Greninja-GX #SV56/94 worth?
Greninja-GX #SV56/94 is a Rare Shiny GX card from Hidden Fates Shiny Vault (2019) — today it trades at roughly $95.96 ungraded.
A PSA 10 copy runs about $216.00 and a PSA 9 about $94.95 — a 2.3x premium over raw, so condition and grading costs matter here. 8,726 copies have been graded to date, and 56% of them came back a 10 — worth knowing before you pay grading fees.
Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.