Sphinx Mindbreaker #290 – Theros Beyond Death (Rare)

Magic: The Gathering · Theros Beyond Death · Rare

Sphinx Mindbreaker #290 Price

Sphinx Mindbreaker (#290, Rare) from Theros Beyond Death is worth $3.14 in Near Mint condition on TCGplayer as of October 3, 2026. On Cardmarket, Europe's main marketplace, the Normal sells for €1.44.

Near Mint · TCGplayer: $3.14
Near Mint · Cardmarket: €1.44
30-day change: +86.9%
Printings: 1

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Sphinx Mindbreaker prices by printing

Near Mint market prices, updated October 4, 2026.

Printing	TCGplayer (USD)	Cardmarket (EUR)
Normal	$3.14	€1.44

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: Theros Beyond Death
Card number: 290
Rarity: Rare
Released: January 24, 2020
Illustrator: PINDURSKI
Power / toughness: 6/6
Type line: Creature — Sphinx
Rules text: Flying
When Sphinx Mindbreaker enters the battlefield, each opponent puts the top ten cards of their library into their graveyard.
Flavor text: Riddles draw you in, paradoxes hold you fast, and answers shatter your perceptions.

Sphinx Mindbreaker: common questions

How much is Sphinx Mindbreaker #290 worth?

Sphinx Mindbreaker (#290, Rare) from Theros Beyond Death is worth $3.14 in Near Mint condition on TCGplayer as of October 3, 2026. On Cardmarket, Europe's main marketplace, the Normal sells for €1.44.

What set is Sphinx Mindbreaker from?

Sphinx Mindbreaker is card 290 in Theros Beyond Death, released January 24, 2020. Its rarity is Rare. Illustrated by PINDURSKI.

Is Sphinx Mindbreaker going up in price?

Over the last 30 days the Near Mint Normal price on TCGplayer moved from $1.68 (September 5, 2026) to $3.14 (October 3, 2026), a change of +86.9%. The 30-day low was $1.54 and the high $3.37.

How do I check what my Sphinx Mindbreaker 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.