How much is Professor Onyx worth right now?

Professor Onyx from Commander: Duskmourn: House of Horror is trading around $5.52 raw (ungraded) on the secondary market. TCGIndex refreshes this price every day.

Is Professor Onyx going up or down?

Professor Onyx is up +8.4% over 30 days, up +5.1% over 7 days, and the trend currently reads up. The full price history is on this page.

Is Professor Onyx a good investment?

TCGIndex doesn't give financial advice, but here's the data worth knowing: it sits around $5.52, up +8.4% over the last 30 days, with low volatility. Prices can move fast, so look at the trend and your own timeframe before you buy. TCGIndex publishes one Magic: The Gathering pick every morning; each pick becomes public 14 days later and is scored at day 30.

Home/Magic: The Gathering/Commander: Duskmourn: House of Horror#153

Magic: The Gathering · Mythic

Professor Onyx

Name: Professor Onyx (Commander: Duskmourn: House of Horror)
Brand: Magic: The Gathering
Availability: InStock

153Commander: Duskmourn: House of Horror

$5.52

+$0.43+8.4% · 30D

Live TCGplayer market price

Where these prices come from

Magic: The Gathering prices on TCGIndex are TCGplayer market prices (the US market), in US dollars. Another currency is a conversion from USD at the day's rate, not a European market price. We do not use Cardmarket or Cardtrader prices for Magic: The Gathering.

Confidence

62/100

Reliable

7-Day Change

+5.1%

vs last week

Market Trend

Rising

TCGplayer price

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Model signal

Before the price moves

We find the Magic: The Gathering cards about to rise.

Every night the model scores every Magic card on the market. Every morning at 07:30 UTC it publishes the one most likely to gain 10% within 30 days, with its entry price and the reasons, then scores it in public.

See today’s Magic pick

Published this morning, public in 14 days. Full record

Pick of the day

Today’s Magic pick

Published every morning at 07:30 UTC.

See today’s Magic pickPublic in 14 days, when 59% of the move is gone. Full record

Price & Volume

Market price Sales volume

Jan 2026 – today

Price by Condition · 4

Anchored to market price · condition spread from TCGplayer

Near Mint

Normal · English

$5.52

+5.1%

Lightly Played

Normal · English

$4.87

+0.6%

Moderately Played

Normal · English

$4.84

+0.2%

Heavily Played

Normal · English

$1.29

+0.0%

Professor Onyx price history

Near Mint market priceon the dates below, from TCGIndex's daily record (224 days tracked). High $6.72 on Jun 2026, low $1.46 on Jan 2026.

When	Price	vs today
Today	$5.52
7 days ago	$5.19	+6.4%
30 days ago	$5.05	+9.3%
90 days ago	$5.82	-5.2%
6 months ago	$4.03	+37.0%

Month	Month-end price
Jan 2026	$1.92
Feb 2026	$1.94
Mar 2026	$2.39
Apr 2026	$4.62
May 2026	$5.28
Jun 2026	$5.94
Jul 2026	$5.75
Aug 2026	$5.35
Sep 2026	$5.28
Oct 2026	$5.52

Professor Onyx FAQ

How much is Professor Onyx worth right now?: Professor Onyx from Commander: Duskmourn: House of Horror is trading around $5.52 raw (ungraded) on the secondary market. TCGIndex refreshes this price every day.
Is Professor Onyx going up or down?: Professor Onyx is up +8.4% over 30 days, up +5.1% over 7 days, and the trend currently reads up. The full price history is on this page.
Is Professor Onyx a good investment?: TCGIndex doesn't give financial advice, but here's the data worth knowing: it sits around $5.52, up +8.4% over the last 30 days, with low volatility. Prices can move fast, so look at the trend and your own timeframe before you buy. TCGIndex publishes one Magic: The Gathering pick every morning; each pick becomes public 14 days later and is scored at day 30.

Professor Onyx

We find the Magic: The Gathering cards about to rise.

Professor Onyx price history

Professor Onyx FAQ

More cards from Commander: Duskmourn: House of Horror