Professor Onyx

Strixhaven: School of Mages · Mythic · Foil · #276 · Current price $36.20

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 $32.52 and $36.50 over the last 90 days, peaking 13 Aug 2026. Now $36.20 — 0.8% below its 90-day high. Over the window it moved +11.3%.

AI price forecast

7-day: $36.21 (+0.0%, high confidence) — 80% range $35.86 to $36.68
14-day: $36.24 (+0.1%, high confidence) — 80% range $35.66 to $36.96
30-day: $36.42 (+0.6%, high confidence) — 80% range $35.23 to $37.52

Other printings

Professor Onyx has 8 printings tracked here; this is the 1st most expensive.

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
Strixhaven: School of Mages — $5.35
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

Borderless border.
2015 frame.
Art by Kieran Yanner.

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