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Biorhythm Ninth Edition #231 Magic: The Gathering card
Rare

Biorhythm Ninth Edition #231 (Foil)

Card #231 · Foil version · Illustrated by Ron Spears · Green Colour
Market value · ungraded
$59.99
▼ 22.6% · 30d
Blended from live market data
Confidence high · estimate, not an appraisal · How we price →
Buy from here
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Biorhythm is a Rare Magic: The Gathering card from Ninth Edition (#231), illustrated by Ron Spears. Its current blended market value is $59.99 ungraded. Prices update from real market data.

Graded prices

We don't have a graded price for this card yet — there aren't enough verified graded sales to publish one we'd trust. A grade only appears here once enough real sold results back it. See the raw (ungraded) estimate above in the meantime.

What this price is based on

Low confidence

Only 1 sale in the last 90 days.

Median · Raw$64.571 sale
Trimmed mean$64.57outliers removed
Range$64.57 – $64.57lowest to highest sale
Sales rate0.2/mo1 recorded

Recent Raw sales

  • Jul 10, 2026eBay — Biorhythm R 9th Edition 231 LP foilLP$64.57

From 1 completed sales recorded between Jul 10, 2026 and Jul 10, 2026. Sold prices only — asking prices are never counted.

Grade it or not

Not enough graded evidence yet — 0 graded sales recorded.

✨ Is it worth it?

An AI market read of this card — value, momentum, grading economics, liquidity. It lays out the data; you decide.

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Price history · raw near-mint

1 Oct 202121 Aug 2026
Latest
$59.99
Period high
$115.49
Period low
$0.99
Change
▲ 5959.6%
Available to buy nowLive on eBay

Card details

Set
Ninth Edition
Number
#231
Rarity
Rare
Illustrator
Ron Spears
Colour
Green
Game
Magic: The Gathering

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All Ninth Edition cards →

Where to buy & check prices

Check recent sold prices
eBay sold

Frequently asked questions

How much is Biorhythm worth?

Biorhythm (Ninth Edition #231) is worth around $59.99 ungraded, based on live Magic: The Gathering market data.

Where can I buy Biorhythm?

You can buy Biorhythm on TCGplayer, Cardmarket and eBay — see the live listings on this page. Always compare against the blended market value first.

What rarity is Biorhythm?

Biorhythm is a Rare Magic: The Gathering card from the Ninth Edition set, illustrated by Ron Spears.

Cite & embed this card

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Citation
Biorhythm (Ninth Edition #231) — Magic: The Gathering market value $59.99. Source: CardTrack, https://cardtrack.com/magic/card/ninth-edition/biorhythm-231
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<iframe src="https://cardtrack.com/embed/card?id=9ED-231" width="100%" height="160" style="border:0;max-width:460px" title="Biorhythm price — CardTrack" loading="lazy"></iframe> <p style="font:12px system-ui">Source: <a href="https://cardtrack.com">CardTrack</a></p>