# 2002 Magic: The Gathering Onslaught #247

> The 2002 Onslaught expansion foil card Biorhythm (Card 247) from Magic: The Gathering. This rare sorcery offers a unique gameplay mechanic for collectors and players alike.

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## Identity

- **Year**: 2002
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Onslaught
- **Card number**: #247
- **Product type**: TCG_CARD

## Description

This foil version of the card features a shimmering finish that highlights the rare rarity designation, making it a visually striking addition to any collection. The card is classified as a sorcery with a mana cost of six green mana, resulting in a mana value of eight. Its primary effect transforms the game state by setting each player's life total to the number of creatures they currently control, a dramatic shift that defines its strategic identity. Designed by artist Ron Spears, the card serves as a key piece for collectors focusing on the Onslaught block. The Onslaught set code, ONS, identifies this release within the broader Magic: The Gathering catalog. Collectors often seek this card to complete their set of rare foils from the 2002 release. The card’s design and text box adhere to the standard layout of that era, providing a clear view of its rules text and flavor text. For investors and hobbyists, the Biorhythm card represents a tangible piece of trading card game history. Whether you are building a themed collection or looking for a powerful card for gameplay, this foil Biorhythm offers both aesthetic and mechanical appeal. The combination of the rare treatment and the card’s unique effect makes it a sought-after item for those who appreciate the depth of Magic: The Gathering's design. By focusing on catalog-level details, we ensure that every listing accurately reflects the card's identity, from its set origin to its foil finish. This approach helps collectors make informed decisions about their acquisitions, knowing the exact nature of the product they are considering. The enduring popularity of the Onslaught set ensures that cards like Biorhythm remain relevant in collector discussions and marketplaces.

## FAQ

### What is the mana cost of Biorhythm?

Biorhythm has a mana cost of six green mana, giving it a total mana value of eight. This high cost requires significant resource management to cast.

### Who illustrated the Biorhythm card in Onslaught?

The artist for Biorhythm in the Onslaught set is Ron Spears. His artwork is featured alongside the card's rules and flavor text.

### What does the Biorhythm card do in gameplay?

As a sorcery, Biorhythm sets each player's life total equal to the number of creatures they currently control. This effect can drastically change the game state.

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Last verified: 2025-11-29.