Magic: The Gathering · 9th Edition · Rare

Biorhythm #231 Price

Biorhythm (#231, Rare) from 9th Edition is worth $34.72 to $96.27 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 €29.16.

Near Mint · TCGplayer: $96.27
Near Mint · Cardmarket: €29.16
30-day change: +60.5%
Printings: 3

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Biorhythm prices by printing

Near Mint market prices, updated October 4, 2026.

Printing	TCGplayer (USD)	Cardmarket (EUR)
Foil	$96.27	€29.16
Normal	$34.72	€13.10
Normal - Russian	—	—

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: 9th Edition
Card number: 231
Rarity: Rare
Released: April 29, 2005
Illustrator: Ron Spears
Type line: Sorcery
Rules text: Each player’s life total becomes the number of creatures he or she controls.
Flavor text: "I have seen life's purpose, and now it is my own."
—Kamahl, druid acolyte

Biorhythm: common questions

How much is Biorhythm #231 worth?

Biorhythm (#231, Rare) from 9th Edition is worth $34.72 to $96.27 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 €29.16.

What set is Biorhythm from?

Biorhythm is card 231 in 9th Edition, released April 29, 2005. Its rarity is Rare. Illustrated by Ron Spears.

Is Biorhythm going up in price?

Over the last 30 days the Near Mint Foil price on TCGplayer moved from $59.99 (September 6, 2026) to $96.27 (October 4, 2026), a change of +60.5%. The 30-day low was $59.99 and the high $96.27.

How do I check what my Biorhythm 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.