---
name: "Biorhythm"
mana_cost: "{6}{G}{G}"
cmc: 8
type_line: "Sorcery"
colors: ["G"]
color_identity: ["G"]
keywords: []
set: "ONS"
set_name: "Onslaught"
collector_number: "247"
rarity: "rare"
artist: "Ron Spears"
oracle_id: "447de961-106c-4189-83ce-ca63d487e1cd"
canonical_url: "https://avascry.com/printing/biorhythm-ons"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "legal"
---

# Biorhythm
- **Mana Cost:** `{6}{G}{G}` (CMC: 8)
- **Type:** Sorcery

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

> *„Ich habe den Zweck des Lebens erkannt, und ihn für mich übernommen." —Kamahl, Druidennovize*

## Top 4096-Dim Neural Synergies
1. [Stronghold Discipline](/printing/stronghold-discipline-10e.md) — Sorcery
2. [Repay in Kind](/printing/repay-in-kind-plst.md) — Sorcery
3. [Gruesome Fate](/printing/gruesome-fate-plst.md) — Sorcery
4. [Reverse the Sands](/printing/reverse-the-sands-chk.md) — Sorcery
5. [Congregate](/printing/congregate-m15.md) — Instant
6. [Invigorating Falls](/printing/invigorating-falls-tor.md) — Sorcery

## Printing Details
- **Set:** Onslaught (ONS) #247
- **Rarity:** Rare
- **Artist:** Ron Spears
- **Total Printings:** 19 across all historical editions

## Format Legalities
Commander: `legal` | Standard: `not_legal` | Modern: `legal` | Pioneer: `not_legal` | Legacy: `legal` | Vintage: `legal` | Pauper: `not_legal` | Penny: `legal`