The 2002 Magic: The Gathering Onslaught rare card Biorhythm transforms life totals to equal the number of creatures each player controls, creating high-stakes board states.
2002 • Magic: The Gathering • Onslaught
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| Condition | Value | Source | Trend | Price Details |
|---|---|---|---|---|
$34.61 | Guide Estimate | -7.6% | ||
Raw / Ungraded
TCGplayer Market (reference) · Guide Estimate evidence · captured Oct 11, 2026
Released in 2002 as part of the Onslaught block, the Biorhythm card (number 247) stands out as a high-impact sorcery within the Magic: The Gathering trading card game. Printed by Wizards of the Coast, this rare card demands a substantial mana investment of six generic mana and two green mana, totaling eight mana value to cast. Its power lies in its ability to instantly recalibrate the game state based on the number of creatures each player controls, turning life totals into a direct reflection of board presence. The card's design and mechanics encourage players to build around creature density. By swapping life totals for creature counts, Biorhythm can abruptly end games where one player has established a significant advantage in token production or creature deployment. This dynamic makes it a memorable piece for collectors who appreciate the strategic complexity of the Onslaught era. The flavor text, attributed to Kamahl, a druid acolyte, adds narrative depth, hinting at the spiritual and physical transformation inherent in the card's effect. Collecting cards from the Onslaught set offers insight into a pivotal time in Magic history, characterized by innovative mechanics and intricate card interactions. Biorhythm, with its straightforward yet game-altering rule, exemplifies the bold design choices of the period. It remains a favorite among players who enjoy high-variance strategies and dramatic turnarounds. The card's rarity status within the set further enhances its appeal to completists and investors alike. Whether you are building a collection focused on the Onslaught block or seeking iconic sorceries from the early 2000s, this card represents a significant chapter in Magic: The Gathering lore. Its enduring legacy is a testament to the creative vision of the game's designers during this era.
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The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
The core identity of the card within the set.
The subject, team, league, and sport context tied to this card.
Featured
Biorhythm
Game
Magic: The Gathering
Rarity, print treatment, and game-specific stats for this card.
Rare
Ron Spears
Card Stock
English
{6}{G}{G}
Sorcery
G
Abilities, attacks, oracle text, and flavor text printed on the card.
Each player's life total becomes the number of creatures they control.
"I have seen life's purpose, and now it is my own." —Kamahl, druid acolyte
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