The 2021 Strixhaven: School of Mages Promo 83p features the Legendary Planeswalker Professor Onyx, a Liliana variant with a mana cost of {4}{B}{B}.
2021 • Magic: The Gathering • Strixhaven: School of Mages Promos
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| Condition | Value | Source | Trend | Price Details |
|---|---|---|---|---|
$4.85 | Guide Estimate | +1% | ||
Raw / Ungraded
TCGplayer Market (reference) · Guide Estimate evidence · captured Nov 4, 2026
This Magic: The Gathering trading card is the 2021 Strixhaven: School of Mages Promo card numbered 83p. The card features Professor Onyx, a Legendary Planeswalker subtype of Liliana. It carries a mana cost of {4}{B}{B} and a mana value of 6. The card is printed with Mythic Rare rarity and was illustrated by Kieran Yanner. It belongs to the black color identity and has a base loyalty of 5. The set code for this release is PSTX. Collectors looking for Magic: The Gathering promo cards will recognize this card number and variant within the Strixhaven: School of Mages Promos series.
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The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
The core identity of the card within the set.
The subject, team, league, and sport context tied to this card.
Featured
Professor Onyx
Game
Magic: The Gathering
Rarity, print treatment, and game-specific stats for this card.
Mythic Rare
Kieran Yanner
Card Stock
English
{4}{B}{B}
Legendary Planeswalker — Liliana
5
B
Abilities, attacks, oracle text, and flavor text printed on the card.
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.
Notable collectible traits associated with this card profile.
FAQ
Professor Onyx is card number 83p in the Strixhaven: School of Mages Promos set. The 'p' suffix indicates its status as a promotional card separate from the main set checklist.
The card has a mana cost of {4}{B}{B}, totaling a mana value of 6. As a Legendary Planeswalker, it enters the battlefield with 5 loyalty counters.
The artwork for card 83p was created by Kieran Yanner. The card features the Liliana Planeswalker subtype with the Magecraft keyword ability.
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