Mewtwo-GX 78 / 73 Pokemon Card from Shining Legends Set

Mewtwo-GX — Shining Legends 78/73 Pokémon TCG card

Mewtwo-GX is a Psychic-type Basic Pokémon card with 190 HP. It is part of the Shining Legends set from the Sun & Moon series and features artwork by Mitsuhiro…

Set

About the Mewtwo-GX Pokémon Card

Mewtwo-GX is a Psychic-type Pokémon card with 190 HP from the Shining Legends set, part of the Sun & Moon series. It carries the collector number 78/73 and is classified as Rare Secret. The Shining Legends set was released on October 6, 2017.

Within the Shining Legends set, Mewtwo-GX currently carries the highest market price of any card.

Mewtwo-GX Pokémon Card Details

Card name: Mewtwo-GX

Card number: 78/73

Set: Shining Legends

Series: Sun & Moon

Rarity: Rare Secret

Subtypes: Basic, GX

Type: Psychic

HP: 190

Artist: Mitsuhiro Arita

Release date: October 6, 2017

National Pokédex number: 150

Why Collect the Mewtwo-GX Pokémon Card?

Mewtwo-GX sits at a higher rarity tier, which makes it the kind of card collectors build sets around and use as a display piece. Well-centred, high-grade copies are the most desirable. For collectors completing the Shining Legends set, a card like this is often a centrepiece.

Across the hobby, collectibility generally comes down to rarity, condition, artwork, and overall demand for the set, and this card already commands the top market price within its set.

Artwork and Illustration of the Mewtwo-GX Pokémon Card

Mewtwo-GX was illustrated by Mitsuhiro Arita.

For Rare Secret cards, the illustration is a major part of the appeal, and the artwork is one of the main reasons collectors seek these cards out.

Market Price and Value of the Mewtwo-GX Pokémon Card

The current aggregated market price for Mewtwo-GX is about $654. Recent listings range from roughly $740 (low) to

,500 (high), with a mid-point near $975. These figures are aggregated from marketplace data and change over time; the live price and full price history are shown above on this page.

For context, the Shining Legends set has a median card value near $0.71 and an average near

6.40, so this card sits above the typical card in the set. The aggregated price has moved +5% over the last 7 days and -18% over 30 days.

Pokémon cards are best collected for enjoyment first. Where value matters, it is typically driven by graded population, the popularity of the Shining Legends set, the availability of sealed product, and broader Pokémon TCG market trends.

Grading the Mewtwo-GX Pokémon Card

Whether Mewtwo-GX is worth grading comes down to condition. Before submitting a card, collectors usually check front and back centring, corner sharpness, edge wear, surface defects, and any print lines or factory imperfections.

Across the hobby, top grades such as PSA 10, BGS/Beckett 9.5–10, and CGC Pristine 10 generally command a premium over raw or lower-graded copies.

PSA has graded 16,135 copies of this card, of which 2,721 earned a PSA 10 — a gem rate of about 16.9%. These population figures were last refreshed on June 15, 2026. Population counts only rise as more copies are submitted, so the gem rate and totals shift over time; nothing here is estimated or back-filled.

How Rare Is the Mewtwo-GX Pokémon Card?

Rare Secret cards such as Mewtwo-GX are among the harder pulls in a set and are the kind of card collectors actively chase, which is reflected in their relative scarcity.

Its collector number (78/73) sits above the set's printed total of 73, which is typical of special and secret rare cards that fall outside the main numbered set.

Population data is one concrete measure of scarcity: PSA has graded 16,135 copies to date.

Other Printings of Mewtwo-GX

Mewtwo-GX appears on more than one card across the catalog. Other printings include Hidden Fates Shiny Vault SV59 (around

31), Shining Legends 76 (around $86.04) and Shining Legends 72 (around
4.02).

These are distinct cards rather than a single listing; compare the set, collector number, and rarity when identifying a specific copy.

Final Thoughts on the Mewtwo-GX Pokémon Card

The Mewtwo-GX pokémon card is a Rare Secret card from the Shining Legends set (Sun & Moon series). As a higher-rarity chase card, it appeals to collectors building a complete set or focusing on standout artwork. Its current aggregated market price is about $654; the live figure and full price history appear above on this page.

Frequently asked questions

What set is the Mewtwo-GX card from?

Mewtwo-GX is from the Shining Legends set (Sun & Moon series), numbered 78/73 with the Rare Secret rarity.

What rarity is the Mewtwo-GX card?

Mewtwo-GX is classified as Rare Secret.

How much is the Mewtwo-GX 78/73 card worth?

The current aggregated market price is about $654, within a recent range of roughly $740 to

,500. The live figure and full price history appear above on this page.

Is the Mewtwo-GX card worth grading?

It can be, if the card is well-centred and free of noticeable edge, corner, or surface flaws. PSA has graded 16,135 copies so far, with about 16.9% reaching PSA 10. Top grades typically command a premium over raw copies.

What is the PSA population for Mewtwo-GX?

PSA has graded 16,135 copies, of which 2,721 are PSA 10 (a gem rate of about 16.9%). These figures were last updated on June 15, 2026.

How rare is the Mewtwo-GX card?

Rare Secret cards such as Mewtwo-GX are among the harder pulls in a set and are the kind of card collectors actively chase, which is reflected in their relative scarcity.

When was the Shining Legends set released?

The Shining Legends set was released on October 6, 2017.

Are there other printings of Mewtwo-GX?

Yes. Mewtwo-GX appears on 6 other cards across the catalog. Compare the set, collector number, and rarity to identify a specific copy.