Boost Shake 229 / 203 Pokemon Card from Evolving Skies Set
Boost Shake is a Trainer Item card from the Evolving Skies set in the Sword & Shield series. It is classified as a Rare Secret card and was illustrated by…
Set: Evolving Skies
Number: 229/203
Rarity: Rare Secret
Set
About the Boost Shake Trainer Card
Boost Shake is a Item Trainer card from the Evolving Skies set, part of the Sword & Shield series. It carries the collector number 229/203 and is classified as Rare Secret. The Evolving Skies set was released on August 27, 2021.
Boost Shake Trainer Card Details
Card name: Boost Shake
Card number: 229/203
Set: Evolving Skies
Series: Sword & Shield
Rarity: Rare Secret
Card type: Trainer (Item)
Artist: sadaji
Release date: August 27, 2021
Why Collect the Boost Shake Trainer Card?
Boost Shake 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 Evolving Skies 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.
Artwork and Illustration of the Boost Shake Trainer Card
Boost Shake was illustrated by sadaji.
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 Boost Shake Trainer Card
The current aggregated market price for Boost Shake is about
.60. Recent listings range from roughly
.92 (low) to $95.69 (high), with a mid-point near
.91. 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 Evolving Skies set has a median card value near $0.37 and an average near $33.30, so this card sits below the typical card in the set. The aggregated price has moved -6% over the last 7 days and -7% 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 Evolving Skies set, the availability of sealed product, and broader Pokémon TCG market trends.
Grading the Boost Shake Trainer Card
Whether Boost Shake 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 181 copies of this card, of which 89 earned a PSA 10 — a gem rate of about 49.2%. 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 Boost Shake Trainer Card?
Rare Secret cards such as Boost Shake 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 (229/203) sits above the set's printed total of 203, 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 181 copies to date.
Other Printings of Boost Shake
Boost Shake appears on more than one card across the catalog. Other printings include Evolving Skies 142 (around $0.21).
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 Boost Shake Trainer Card
The Boost Shake trainer card is a Rare Secret card from the Evolving Skies set (Sword & Shield 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 .60; the live figure and full price history appear above on this page.
Frequently asked questions
What set is the Boost Shake card from?
Boost Shake is from the Evolving Skies set (Sword & Shield series), numbered 229/203 with the Rare Secret rarity.
What rarity is the Boost Shake card?
Boost Shake is classified as Rare Secret.
How much is the Boost Shake 229/203 card worth?
The current aggregated market price is about
.60, within a recent range of roughly
.92 to $95.69. The live figure and full price history appear above on this page.
Is the Boost Shake card worth grading?
It can be, if the card is well-centred and free of noticeable edge, corner, or surface flaws. PSA has graded 181 copies so far, with about 49.2% reaching PSA 10. Top grades typically command a premium over raw copies.
What is the PSA population for Boost Shake?
PSA has graded 181 copies, of which 89 are PSA 10 (a gem rate of about 49.2%). These figures were last updated on June 15, 2026.
How rare is the Boost Shake card?
Rare Secret cards such as Boost Shake 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 Evolving Skies set released?
The Evolving Skies set was released on August 27, 2021.
Are there other printings of Boost Shake?
Yes. Boost Shake appears on one other card across the catalog. Compare the set, collector number, and rarity to identify a specific copy.
