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Biorhythm
Ninth Edition (9ED) · #231★ · rare · mtg
Sorcery
Each player's life total becomes the number of creatures they control.
DeckSpec Pricei
Non-foil$33.68
Foil$87.70
Condition
Weighted composite · smoothed against one-off swings.
Current prices
Condition
FoilNM
| TCGplayer | $115.49 | 2026-08-08 |
Non-foilNM
| TCGplayer | $33.68 | 2026-07-24 |
Prices update daily · last checked Sun Aug 09. Indicative, not offers — how we price.
Price history (last 180 days)
Condition key
NM Near MintLP Lightly PlayedMP Moderately PlayedHP Heavily PlayedDMG Damaged
Recorded prices are Near Mint; LP–DMG are estimated from standard hobby multipliers (foils discounted more steeply) — a guide, not a market quote.
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Other printings (2)
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Complete the set — Ninth Edition
You have 0 of 710 (0%)Most valuable cards in this set
9ED #231
Biorhythm
$34.13
9ED #135
Grave Pact
$29.46
9ED #135★
Grave Pact
$28.29
9ED #238
Elvish Champion
$25.55
9ED #312
Teferi's Puzzle Box
$18.03
9ED #238★
Elvish Champion
$17.86
9ED #291★
Coat of Arms
$17.77
9ED #312★
Teferi's Puzzle Box
$17.16
9ED #291
Coat of Arms
$17.03
9ED #270
Seedborn Muse
$14.08
9ED #270★
Seedborn Muse
$13.98
9ED #216★
Seething Song
$11.27