Magic

Prices updated

Biorhythm Secret Lair Countdown Borderless MTG card
SLC #58 · Art by Charles Glaubitz
SLC set symbol, RareSecret Lair Countdown#58Rare

Biorhythm

Sorcery Game Changer
TCGplayer market · SLC #58 nonfoil
$17.62 −48.9% −$16.88, 7 days
1-year range
30 days
−48.5%
EDHREC rank
#9,238 Up 251 in 30 days

Buy SLC #58 nonfoil

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Biorhythm Price Summary

The benchmark price (cheapest playable nonfoil) is $17.62, down 48.9% over 7 days, down 48.5% over 30 days, down 53.0% over 90 days.

Biorhythm Price History

Markets TCGplayer marketreference

Markets on the chart

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Card Kingdom buylist
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Biorhythm price history chart, default range 3 months. currently $17.62.

Where to Buy and Sell Biorhythm

Every market we track for SLC #58 nonfoil on one line. The gray band is what you give up selling to a store instead of buying at market.

Biorhythm in Sealed Products

Checking which sealed products hold SLC #58 nonfoil.

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Biorhythm Printings & Prices

Biorhythm has 4 tracked printings across 3 sets, in nonfoil and foil finishes, including borderless treatments.

SLC set symbol, RareSLC #58
Borderless
Viewing
ONS set symbol, RareONS #247
9ED set symbol, Rare9ED #231
9ED set symbol, Rare9ED #231★

Sell Biorhythm: Buylist Offers

BuyerPrintingFinishCash offerMarketSpread to market
CoolStuffIncONS #247Foil
Card KingdomONS #247Foil
Card KingdomONS #247Nonfoil
CoolStuffIncONS #247Nonfoil
CoolStuffInc9ED #231Nonfoil
Card Kingdom9ED #231Nonfoil

Biorhythm Rules Text & Legality

Biorhythm

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 legal in Modern, Legacy and Commander, and not legal in Standard, Pioneer and Pauper.

View on Scryfall ↗

Biorhythm Rulings

  • Oct 4, 2004

    If a player controls no creatures when this resolves, their life total will become zero and they will lose the game.

  • Oct 4, 2004

    This spell causes the player to lose or gain enough life to change to the new life total.

Reprints & Reprint Risk

Biorhythm has been reprinted 4 times.

  • Oct 7, 2002ONS set symbol, RareOnslaught · foilONS #247
  • Oct 7, 2002ONS set symbol, RareOnslaughtONS #247
  • Jul 29, 20059ED set symbol, RareNinth Edition · foil9ED #231★
  • Jul 29, 20059ED set symbol, RareNinth Edition9ED #231

Biorhythm in Commander

Biorhythm is the #9,238 most-played card on EDHREC, up 251 places over the last 30 days.

#9,238 EDHREC rank
across all Commander decks Up 251 in 30 days

Biorhythm FAQ

How much is Biorhythm worth?

Biorhythm is worth about $17.62 for its cheapest playable printing as of Nov 8, 2026.

Is Biorhythm legal in Commander?

Yes. Biorhythm is legal in Commander. It is also legal in Modern and Legacy.

Has Biorhythm been reprinted?

Yes. Biorhythm has been reprinted 4 times, with 4 printings tracked on The Index.

Why is Biorhythm expensive?

Biorhythm trades at $17.62 on printing supply and steady demand.

What can I play instead of Biorhythm?

Cards that fill a similar role include Shaman of Forgotten Ways, Repay in Kind, Reverse the Sands.

Where is Biorhythm banned?

Biorhythm is banned in Oathbreaker.