Attach 2 Water Energy cards from your discard pile to 1 of your Pokémon.
This attack does 40 more damage times the amount of Water Energy attached to this Pokémon. (You can't use more than 1 GX attack in a game.)
Hidden Fates was released in 2019. It belongs to the Sun & Moon series.
The checklist contains 69 cards, placing it in a compact expansion range. As of 2026, the set is 7 years old and now falls into an established back-catalog period.
Within this set, Starmie-GX is card number 14 with a Rare Holo GX designation.
Starmie-GX is a Hidden Fates card from the 2019 release window. Its card type is Pokémon.
The rarity label is Rare Holo GX. Printed HP is 190.
Energy typing is Water. This gives collectors a clear identity footprint for the print.
As an evolution, Starmie-GX develops from Staryu. The card text reads: Pokémon-GX rule: When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.
Starmie-GX (Hidden Fates) is presently valued at about $1.49 in raw condition. Week-over-week change is limited (0.0%), indicating short-term stability.
That is close to the 30-day average of $1.48. In the past 90 days, observed prices ranged from $1.38 to $1.73 (23% spread), a moderate-volatility profile.
The listed rarity for this print is Rare Holo GX.
Market structure summary: Over the last 7 days, prices have remained stable at 0.0%, indicating a consolidation phase over sudden breakouts. With a 23% 90-day spread ($1.38-$1.73), this card currently tracks as moderate-volatility.
Relative to the 30-day baseline ($1.48), pricing is near equilibrium. Graded context points to a substantial premium curve, with PSA 10 at +2621% above raw pricing.
PSA 9 is currently around $19.51, while PSA 10 is $40.55.