Professor Onyx

Strixhaven: School of Mages · Mythic · Normal · #83 · Current price $5.35

The card

{4}{B}{B} · Legendary Planeswalker — Liliana · Loyalty 5

Magecraft — Whenever you cast or copy an instant or sorcery spell, each opponent loses 2 life and you gain 2 life.
+1: You lose 1 life. Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.
−3: Each opponent sacrifices a creature with the greatest power among creatures that player controls.
−8: Each opponent may discard a card. If they don't, they lose 3 life. Repeat this process six more times.

Keywords: Magecraft

Price history

Traded between $5.38 and $8.67 over the last 90 days, peaking 17 Jun 2026. Now $5.35 — below its 90-day low. Over the window it moved −37.8%.

AI price forecast

7-day: $5.38 (−0.2%, high confidence) — 80% range $5.04 to $5.61
14-day: $5.35 (−0.7%, high confidence) — 80% range $4.81 to $5.80
30-day: $5.28 (−2.0%, high confidence) — 80% range $4.47 to $6.09

Other printings

Professor Onyx has 8 printings tracked here; this is the 7th most expensive.

Strixhaven: School of Mages (Foil) — $36.20
Strixhaven: School of Mages Promos (Foil) — $17.52
Strixhaven: School of Mages — $11.93
Strixhaven: School of Mages (Foil) — $7.03
Strixhaven: School of Mages Promos (Foil) — $6.30
Strixhaven: School of Mages Promos — $5.54
Duskmourn: House of Horror Commander — $5.18

Playability & legality

EDHREC rank 2397 — a measure of how often it appears in Commander decks.

Legal in: Pioneer, Modern, Legacy, Vintage, Commander, Brawl.

About this printing

2015 frame.
Art by Kieran Yanner.

Forecasts are statistical estimates with confidence intervals, not guarantees. Collectibles are speculative. This is not financial advice.