Card library
Biorhythm
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—Times played
Magic: The Gathering
Mana cost
Ninth Edition9ED · #231★
- Card type
- Sorcery
- Rarity
- Rare
- Indicative price
- ★ 96.27 $
- Mana value
- 8
- Colour
- Green
Card text
Each player's life total becomes the number of creatures they control.
Format legality
- CommanderLegal
- DuelLegal
- LegacyLegal
- ModernLegal
- OathbreakerBanned
- PennyLegal
- PredhLegal
- PremodernLegal
- VintageLegal
Legalities follow the imported catalogue; check format rules before a tournament.
Data imported on 2026-10-06 (UTC).
Indicative Scryfall prices, updated daily. ★: foil; ★ E: etched foil. EUR and USD represent different markets.
Printing information
- Illustrator
- Ron Spears
- Card language
- English
- Release date
- 2005-07-29
Flavour text
"I have seen life's purpose, and now it is my own." —Kamahl, druid acolyte
Rulings
If a player controls no creatures when this resolves, their life total will become zero and they will lose the game.
This spell causes the player to lose or gain enough life to change to the new life total.
