Quandrix, the Proof #218 – Promo Pack: Secrets of Strixhaven (Mythic)

Magic: The Gathering · Promo Pack: Secrets of Strixhaven · Mythic

Quandrix, the Proof #218 Price

Quandrix, the Proof (#218, Mythic) from Promo Pack: Secrets of Strixhaven is worth $5.36 to $7.76 in Near Mint condition on TCGplayer as of October 4, 2026, depending on the printing (Normal to Foil). On Cardmarket, Europe's main marketplace, the Foil sells for €2.42.

Near Mint · TCGplayer: $7.76
Near Mint · Cardmarket: €2.42
30-day change: −7.1%
Printings: 2

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Quandrix, the Proof prices by printing

Near Mint market prices, updated October 4, 2026.

Printing	TCGplayer (USD)	Cardmarket (EUR)
Foil	$7.76	€2.42
Normal	$5.36	€1.18

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: Promo Pack: Secrets of Strixhaven
Card number: 218
Rarity: Mythic
Released: April 24, 2026
Illustrator: Lucas Graciano
Type line: Legendary Creature — Elder Dragon
Rules text: Flying, trample
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)
Instant and sorcery spells you cast from your hand have cascade.

Quandrix, the Proof: common questions

How much is Quandrix, the Proof #218 worth?

Quandrix, the Proof (#218, Mythic) from Promo Pack: Secrets of Strixhaven is worth $5.36 to $7.76 in Near Mint condition on TCGplayer as of October 4, 2026, depending on the printing (Normal to Foil). On Cardmarket, Europe's main marketplace, the Foil sells for €2.42.

What set is Quandrix, the Proof from?

Quandrix, the Proof is card 218 in Promo Pack: Secrets of Strixhaven, released April 24, 2026. Its rarity is Mythic. Illustrated by Lucas Graciano.

Is Quandrix, the Proof going up in price?

Over the last 30 days the Near Mint Foil price on TCGplayer moved from $8.35 (September 6, 2026) to $7.76 (October 4, 2026), a change of −7.1%. The 30-day low was $7.76 and the high $8.35.

How do I check what my Quandrix, the Proof 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.