Biorhythm 
Sorcery
Oracle text (EN)
Sorcery
Each player's life total becomes the number of creatures they control.
Printing details
- Set
- 9ED · 231
- Rarity
- Rare
- Language
- EN
- Artist
- Ron Spears
- Released
- 2005-07-29
- Prices
- €10.88 · $34.70
Price history
The trend shows with at least 7 days of history.
- Cardmarket, trend
- CardTrader, Near Mint minimum (EN)
The history starts on October 28, 2026 and grows every day.
Show the data
| Date | Cardmarket, trend | CardTrader, Near Mint minimum (EN) |
|---|---|---|
| November 1, 2026 | €10.12 | €20.22 |
| October 31, 2026 | €10.88 | €20.22 |
| October 29, 2026 | €11.28 | €20.22 |
| October 28, 2026 | €11.38 | €20.22 |
Prices
| Source | Non-foil | Foil |
|---|---|---|
| Cardmarket | low €4.99 trend €10.12 30-day avg €11.26 | low €16.90 trend €30.80 30-day avg €23.42 |
| CardTrader (EN) | NM from €20.22 with Zero from €25.40 | NM from €112.27 with Zero from €112.27 |
| CardTrader (any language) | NM from €20.22 | NM from €29.95 |
Cardmarket updated Nov 1, 2026 · CardTrader updated Nov 1, 2026
Buy and look up
Legality
- standard Not legal
- pioneer Not legal
- modern Legal
- legacy Legal
- vintage Legal
- commander Legal
- pauper Not legal
- alchemy Not legal
- brawl Not legal
- competitivebrawl Not legal
- duel Legal
- future Not legal
- gladiator Not legal
- historic Not legal
- oathbreaker Banned
- oldschool Not legal
- paupercommander Not legal
- penny Legal
- predh Legal
- premodern Legal
- standardbrawl Not legal
- timeless Not legal
- tlr Not legal
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.