Biorhythm
~$34.20 low · ~$190.30 high
Green. Sorcery
Ninth Edition #231 · Illustrated by Ron Spears
Ninth Edition #231 · Illustrated by Ron SpearsWhat is Biorhythm worth?
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TCGplayer market prices in USD, updated October 14, 2026. Each price is for one printing and one finish.
Oracle text
Each player's life total becomes the number of creatures they control.
"I have seen life's purpose, and now it is my own." —Kamahl, druid acolyte
Format legality
All 3 printings of Biorhythm
| Printing | Rarity | Non-foil | Foil | Cardmarket (EUR) | My collection |
|---|---|---|---|---|---|
 Ninth Edition 9ed #231· 2005rare· Cardmarket €12.29 | rare | $34.70 | No foil printing | €12.29 | |
 Ninth Edition 9ed #231★· 2005rare | rare | No non-foil printing | $96.27 | — | |
 Onslaught ons #247· 2002rare· Cardmarket €12.05 · €93.83 foil | rare | $34.20 | $190.30 | €12.05€93.83 foil |
Prices are TCGplayer market prices in USD for each printing and finish, via Scryfall. They are a guide, not an appraisal.
Where to buy Biorhythm
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Card details
- First printed
- 2002
- Printings
- 3
- Mana value
- 8
- EDHREC rank
- #9,451 on EDHREC (Commander popularity)
- Artist
- Ron Spears
Rulings (2)
2004-10-04
If a player controls no creatures when this resolves, their life total will become zero and they will lose the game.
2004-10-04
This spell causes the player to lose or gain enough life to change to the new life total.
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