Professor Onyx {4}{B}{B}

Legendary Planeswalker — Liliana

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.

SpotlightProfessor Onyx highlighted card art

Featured print

Duskmourn: House of Horror Commander

English · 2024-09-27

Browse alternate printings below, switch the featured art when one stands out, and open a larger preview without losing your place in the list.

Browse all printsOpen large preview

Build a deck with this card

Load Deck Studio with Professor Onyx, set power and land mix, then decide when to generate.

Open Deck StudioJump to build sectionNo auto-build—tune settings first
Prices synced Apr 13, 2026 · 101,195 products cached

Add to your collection

Shop highlighted on TCGplayerJump to print prices

Legality snapshot

standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL

Prints & prices

Prices last synced Apr 13, 2026

Use preview for a closer look, then feature the print you want reflected in the main card view.

Build with this commander

Exports a 100-card shell tuned for your table.
Launch Commander Deck StudioBrowse TCGplayer singles

Links to TCGplayer are affiliate links that may earn us a commission.