Biorhythm
MTG · 9th Edition · R · 231
Released 2005-04-29
$29.73
30-day forecast: $31.29
Live MTG price tracking, buyout detection, and price predictions for Biorhythm on TCG Collector Tools.
Card Text
Each player's life total becomes the number of creatures they control.
Prices Across Marketplaces
TCGplayer (market)
$29.73
TCGplayer (mid)
$35.99
TCGplayer (low)
$29.73
Price Forecast
| Horizon | Forecast | vs Today |
|---|---|---|
| 7 days (up) | $31.29 | +5.2% |
| 30 days (up) | $31.29 | +5.2% |
| 90 days | $30.20 | +1.6% |
| 180 days | $30.20 | +1.6% |
| 1 year | $30.20 | +1.6% |
Confidence: Tea Leaves · Calibrated 30-day range $29.38–$33.20 · vintage card · veryLow volatility
Our Forecast Track Record
What we predicted for this card, and what actually happened. We publish misses as well as hits. Anchored 2026-04-10 · at $43.02 · 156 days ago.
| Horizon | We predicted | Actual | Error |
|---|---|---|---|
| Day 7 | $40.58 | $20.65 | -49.1% |
| Day 30 | $43.99 | $27.00 | -38.6% |
| Day 90 | $50.46 | $29.85 | -40.8% |
Signal Analysis
HOLD
Conviction 53/100 · Target $31.29 · Range $28.16–$34.42 · over 30d
Mixed signals. Monitor for clearer direction.
Recent Price History
$31.29
$31.29
$31.29
$31.29
$31.29
$31.29
$29.73
Frequently Asked Questions
How much is Biorhythm worth?
Biorhythm is currently $29.73 on TCGplayer for the 9th Edition printing. Prices update daily from live marketplace data.
Is Biorhythm going up or down in price?
Our 30-day forecast for Biorhythm is $31.29, with a up trend (data confidence: Tea Leaves).