Sidney (Secret) 279/264 – Fusion Strike (Secret Rare)

Pokémon · Fusion Strike · Secret Rare

Sidney (Secret) 279/264 Price

Sidney (Secret) (279/264, Secret Rare) from Fusion Strike is worth $3.50 in Near Mint condition on TCGplayer as of October 3, 2026. On Cardmarket, Europe's main marketplace, the Holofoil sells for €3.87.

Near Mint · TCGplayer: $3.50
Near Mint · Cardmarket: €3.87
30-day change: −2.5%
Printings: 1

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Sidney (Secret) prices by printing

Near Mint market prices, updated October 4, 2026.

Printing	TCGplayer (USD)	Cardmarket (EUR)
Holofoil	$3.50	€3.87

TCGplayer market price and Cardmarket price for Near Mint English copies. They are two separate markets, so the euro figure is Cardmarket's own price, not a conversion of the dollar one. Source: TCGplayer, Cardmarket.

Card details

Set: Fusion Strike
Card number: 279/264
Rarity: Secret Rare
Released: November 12, 2021
Illustrator: Hideki Ishikawa
Card type: Supporter
Card text: Your opponent reveals their hand. Discard up to 2 in any combination of Pokémon Tool cards, Special Energy cards, and Stadium cards from it.

Sidney (Secret): common questions

How much is Sidney (Secret) 279/264 worth?

Sidney (Secret) (279/264, Secret Rare) from Fusion Strike is worth $3.50 in Near Mint condition on TCGplayer as of October 3, 2026. On Cardmarket, Europe's main marketplace, the Holofoil sells for €3.87.

What set is Sidney (Secret) from?

Sidney (Secret) is card 279/264 in Fusion Strike, released November 12, 2021. Its rarity is Secret Rare. Illustrated by Hideki Ishikawa.

Is Sidney (Secret) going up in price?

Over the last 30 days the Near Mint Holofoil price on TCGplayer moved from $3.59 (September 5, 2026) to $3.50 (October 3, 2026), a change of −2.5%. The 30-day low was $3.41 and the high $3.70.

How do I check what my Sidney (Secret) is worth?

Scan it with the TCG Vault app on iPhone: it identifies the card from the camera in seconds and shows its current market price and price history, then keeps it in your collection so you can follow its value.