Magic: The Gathering · Secret Lair Countdown Kit
Biorhythm
French name: Biorythme
Biorhythm (Secret Lair Countdown Kit 58) has a market price of US$16.62 to US$27.99 as of Nov 9, 2026.
Price guide
The market price on TCGplayer, in US dollars: a guide, not an offer.
Market price
As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.
Market price history
Price history starts Oct 15, 2026. A chart appears after two weeks.
Card details
- Type
- Sorcery
- Mana cost
- {6}{G}{G}
- Artist
- Charles Glaubitz
Card text
Each player’s life total becomes the number of creatures they control. When purchasing this unique product, please keep in mind that this card only appears in the Secret Lair Countdown Kit: Marvel's History of Heroes and will ship out to you after the seller receives the product directly from Wizards of the Coast.The estimated time frame for sellers to receive stock is not fixed, so it could be anywhere between 1 - 10 weeks for delivery.
Flavour text
“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
About this card
Biorhythm is card 58 in Secret Lair Countdown Kit, a Magic: The Gathering set released Dec 1, 2022. Rarity: Rare. Finishes: Normal, Foil. Illustrated by Charles Glaubitz. Reference market price on Nov 9, 2026: US$16.62 (Normal), US$27.99 (Foil). Since Nov 6, 2026, the Normal price went down 8.1%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.