First printed in Onslaught (2002)

All 4 prints

Secret Lair Countdown (SLC) #58, 2026
Ninth Edition (9ED) #231, 2005
Ninth Edition (9ED) #231★, 2005
Onslaught (ONS) #247, 2002

Biorhythm

Sorcery

Each player's life total becomes the number of creatures they control.

MTGO price: 0.006 TIX, the cheapest non-foil print (average sell price on GoatBots, 28 Oct 2026).

In the last 30 days 0.2% of Premodern decks played it (1 of 592). Most played in Elves. In the last 30 days 0.2% of Commander decks played it (12 of 6150). Most played in Raph & Mikey, Troublemakers.

Combos

12 combos from Commander Spellbook, the most popular first.

Draw the game, Each opponent loses the game: Biorhythm + Damnation
Draw the game, Each opponent loses the game: Austere Command + Biorhythm
Draw the game, Each opponent loses the game: Biorhythm + Wrath of God
Draw the game, Each opponent loses the game: Biorhythm + Nevinyrral's Disk
Draw the game, Each opponent loses the game: Biorhythm + Supreme Verdict
Draw the game, Each opponent loses the game: Biorhythm + Damn
Draw the game, Each opponent loses the game: Biorhythm + Cleansing Nova
Draw the game, Each opponent loses the game: Biorhythm + Kindred Judgment
Draw the game, Each opponent loses the game: Biorhythm + Rout
Draw the game, Each opponent loses the game: Biorhythm + Magus of the Disk

See all 12 on Commander Spellbook

Legality

Constructed

Standard Not legal
Pioneer Not legal
Modern Legal
Legacy Legal
Vintage Legal
Pauper Not legal
Future Standard Not legal
Historic Not legal
Timeless Not legal
Alchemy Not legal
Penny Dreadful Legal
Premodern Legal
Old School 93/94 Not legal

Singleton

Gladiator Not legal

Commander formats

Commander Legal
Duel Commander Legal
Pauper Commander Not legal
PreDH Legal
Tiny Leaders Not legal
Oathbreaker Banned
Brawl Not legal
Standard Brawl Not legal
Competitive Brawl Not legal

In tournament decks of the last 30 days

Meta: share of the archetype in the format
Play it: decks of the archetype that play this card
Together: decks with this card that also play the other one (main deck)
Lift: how much more often than chance: 1 = unrelated, above 1 = played together on purpose

Premodern Other periods →

In 1 of 592 decks (0.2%).

Share of decks

0.2%

= vs previous 30 days

Weekly, last 90 days

Decks

1 main, 0 sideboard

Avg. copies

1.0

in the main deck

Win rate

–

0 top 8 (challenges only)

Archetypes by metagame share

Archetype	Meta	Play it
Elves	1.5%	11%

Played together with

Not enough decks yet.

Best win rate

No challenge results yet.

Challenges only: MTGO publishes only the 5-0 league decks.

Latest decks

Deck	Copies	Finish
Elves undie, 13 Oct	1 main	#27 0-2

Commander Other periods →

In 12 of 6150 decks (0.2%).