Professor Onyx

Strixhaven: School of Mages · Mythic · Normal · #276 · Current price $11.93

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 $11.37 and $13.42 over the last 90 days, peaking 24 Jun 2026. Now $11.93 — 11.1% below its 90-day high. Over the window it moved −8.0%.

AI price forecast

7-day: $12.35 (+0.5%, high confidence) — 80% range $11.98 to $12.84
14-day: $12.43 (+1.2%, high confidence) — 80% range $11.81 to $13.22
30-day: $12.62 (+2.7%, high confidence) — 80% range $11.48 to $13.72

Other printings

Professor Onyx has 8 printings tracked here; this is the 3rd most expensive.

Strixhaven: School of Mages (Foil) — $36.20
Strixhaven: School of Mages Promos (Foil) — $17.52
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.