◆
Decktrove
Biorhythm
SLC · Secret Lair Countdown #58 · Rare · released 2026-11-02
{6}{G}{G}
Sorcery
Each player's life total becomes the number of creatures they control.
"You know we haven't done enough research into the effect of the cosmic rays! They might kill us all out in space!"
—Ben Grimm
Biorhythm is a rare green sorcery from Secret Lair Countdown (2026). It has been printed 4 times across 3 sets, from 2002 to 2026. Recent market prices range from $34.20 to $190.30 depending on printing and finish. It is legal in Modern, Legacy, Vintage, Commander and Penny Dreadful.
Format legality
Where you can play Biorhythm in sanctioned and popular formats.
StandardNot legal
PioneerNot legal
ModernLegal
LegacyLegal
VintageLegal
CommanderLegal
PauperNot legal
OathbreakerBanned
HistoricNot legal
BrawlNot legal
Penny DreadfulLegal
All printings (4)
Prices range from $34.20 to $190.30 across finishes. Cheapest printing: Onslaught at $34.20.
| Set | No. | Rarity | Price | Foil |
|---|---|---|---|---|
| Onslaught | 247 | Rare | $34.20 | $190.30 |
| Ninth Edition | 231★ | Rare | — | $105.04 |
| Ninth Edition | 231 | Rare | $34.70 | — |
| Secret Lair Countdown This page | 58 | Rare | — | — |
More from Secret Lair Countdown
Rulings
Official rulings from Wizards of the Coast (2).
- 2004-10-04If a player controls no creatures when this resolves, their life total will become zero and they will lose the game.
- 2004-10-04This spell causes the player to lose or gain enough life to change to the new life total.
Frequently asked questions
Is Biorhythm legal in Commander?
Yes — Biorhythm is legal in Commander (EDH).
What formats is Biorhythm legal in?
Biorhythm is legal in Modern, Legacy, Vintage, Commander and Penny Dreadful.
How many times has Biorhythm been printed?
Biorhythm has been printed 4 times across 3 sets, from 2002 to 2026.
What is the cheapest printing of Biorhythm?
The cheapest printing is Onslaught (#247) at about $34.20.
Who illustrated Biorhythm?
This printing of Biorhythm was illustrated by Charles Glaubitz.