Unit Energy GrassFireWater 170 / 156 Pokemon Card from Ultra Prism Set

Unit Energy GrassFireWater — Ultra Prism 170/156 Pokémon TCG card

Unit Energy GrassFireWater is a Special Energy card. It is part of the Ultra Prism set from the Sun & Moon series and is classified as a Rare Secret. The card…

Set

About the Unit Energy GrassFireWater Energy Card

Unit Energy GrassFireWater is an Energy card from the Ultra Prism set, part of the Sun & Moon series. It carries the collector number 170/156 and is classified as Rare Secret. The Ultra Prism set was released on February 2, 2018.

Unit Energy GrassFireWater Energy Card Details

Card name: Unit Energy GrassFireWater

Card number: 170/156

Set: Ultra Prism

Series: Sun & Moon

Rarity: Rare Secret

Card type: Energy (Special)

Release date: February 2, 2018

Why Collect the Unit Energy GrassFireWater Energy Card?

Unit Energy GrassFireWater 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 Ultra Prism 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.

Market Price and Value of the Unit Energy GrassFireWater Energy Card

The current aggregated market price for Unit Energy GrassFireWater is about

8.82. Recent listings range from roughly
5.50 (low) to
72 (high), with a mid-point near
8.74. 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 Ultra Prism set has a median card value near $0.81 and an average near

2.33, so this card sits above the typical card in the set. The aggregated price has moved +5% over the last 7 days and +13% 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 Ultra Prism set, the availability of sealed product, and broader Pokémon TCG market trends.

Grading the Unit Energy GrassFireWater Energy Card

Whether Unit Energy GrassFireWater 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 242 copies of this card, of which 84 earned a PSA 10 — a gem rate of about 34.7%. 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 Unit Energy GrassFireWater Energy Card?

Rare Secret cards such as Unit Energy GrassFireWater 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 (170/156) sits above the set's printed total of 156, 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 242 copies to date.

Other Printings of Unit Energy GrassFireWater

Unit Energy GrassFireWater appears on more than one card across the catalog. Other printings include Ultra Prism 137 (around $0.85).

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 Unit Energy GrassFireWater Energy Card

The Unit Energy GrassFireWater energy card is a Rare Secret card from the Ultra Prism 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

8.82; the live figure and full price history appear above on this page.

Frequently asked questions

What set is the Unit Energy GrassFireWater card from?

Unit Energy GrassFireWater is from the Ultra Prism set (Sun & Moon series), numbered 170/156 with the Rare Secret rarity.

What rarity is the Unit Energy GrassFireWater card?

Unit Energy GrassFireWater is classified as Rare Secret.

How much is the Unit Energy GrassFireWater 170/156 card worth?

The current aggregated market price is about

8.82, within a recent range of roughly
5.50 to
72. The live figure and full price history appear above on this page.

Is the Unit Energy GrassFireWater card worth grading?

It can be, if the card is well-centred and free of noticeable edge, corner, or surface flaws. PSA has graded 242 copies so far, with about 34.7% reaching PSA 10. Top grades typically command a premium over raw copies.

What is the PSA population for Unit Energy GrassFireWater?

PSA has graded 242 copies, of which 84 are PSA 10 (a gem rate of about 34.7%). These figures were last updated on June 15, 2026.

How rare is the Unit Energy GrassFireWater card?

Rare Secret cards such as Unit Energy GrassFireWater 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 Ultra Prism set released?

The Ultra Prism set was released on February 2, 2018.

Are there other printings of Unit Energy GrassFireWater?

Yes. Unit Energy GrassFireWater appears on one other card across the catalog. Compare the set, collector number, and rarity to identify a specific copy.