The Professor Onyx 83p Mythic Rare promo from Magic: The Gathering's 2021 Strixhaven: School of Mages set features the legendary Planeswalker Liliana with unique Magecraft abilities.
Professor Onyx
2021 • Magic: The Gathering • Strixhaven: School of Mages Promos
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Description
The 83p Professor Onyx promo from Magic: The Gathering’s 2021 Strixhaven: School of Mages Promos set offers collectors a distinct variant of the iconic Planeswalker Liliana. Illustrated by Kieran Yanner, this Mythic Rare card is coded PSTX and serves as a notable entry for builders focusing on promotional subsets or specific card numbers within the Strixhaven era. As a legendary Planeswalker with a mana value of six, this card represents a powerful archetype in the game’s history, appealing to those who appreciate both its mechanical depth and its place in the broader Magic: The Gathering lore. Collectors often seek out specific promo cards like this one to complete specialized collections or to acquire high-rarity versions of beloved characters. The Magecraft mechanic defines its gameplay, triggering life gain and loss effects whenever instant or sorcery spells are cast or copied, making it a favorite for strategic deck building. For enthusiasts of the Strixhaven universe, adding this 83p variant to your library provides a tangible connection to one of Magic’s most popular academic-themed expansions. Whether you are hunting for specific card numbers or looking to expand your collection of Liliana cards, this promo stands out as a significant piece of modern TCG history.
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Card Details
The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
Catalog Profile
The core identity of the card within the set.
Featured Subject
The subject, team, league, and sport context tied to this card.
Featured
Professor Onyx
Game
Magic: The Gathering
TCG Attributes
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
Card Text
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.