Experience the transformative power of Mordenkainen's Polymorph, a foil common instant from Magic: The Gathering's 2021 Adventures in the Forgotten Realms set.
Mordenkainen's Polymorph
2021 • Magic: The Gathering • Adventures in the Forgotten Realms
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30-day Price History
Raw / Ungraded
TCGplayer Market (reference) · Guide Estimate evidence · captured Sep 27, 2026
Description
Mordenkainen's Polymorph, card number 65 in the Adventures in the Forgotten Realms expansion, offers a versatile solution for Magic: The Gathering players seeking to control the battlefield. Released in 2021, this common instant card carries a mana cost of {1}{U} and provides a strategic option for blue mana spenders looking to disrupt opposing strategies. The card's design features a distinctive foil finish, adding a layer of visual appeal that distinguishes it from the standard nonfoil versions found in booster packs. As an Instant card, Mordenkainen's Polymorph can be cast at any time a player has priority, allowing for flexible timing during both main phases and combat. The card's effect transforms a target creature into a 4/4 Dragon with flying until the end of the turn. This transformation strips the creature of all other types, effectively neutralizing its existing abilities while granting it a powerful offensive presence. The strategic value lies in its ability to turn an opponent's threat into a temporary asset, creating opportunities for attackers or blockers that might otherwise be unmanageable. Mordenkainen, a legendary wizard from the Forgotten Realms, is a familiar figure in fantasy gaming, and his presence on this card resonates with fans of both the TCG and the tabletop role-playing game. The foil treatment of this card enhances its collectibility, making it a desirable addition to any themed collection or subset builder. For players, Mordenkainen's Polymorph represents a classic example of the interactive gameplay that defines Magic: The Gathering. Its ability to alter the state of the board with a single mana investment makes it a staple in many blue-based decks, appealing to both casual and competitive players.
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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
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Featured
Mordenkainen's Polymorph
Game
Magic: The Gathering
TCG Attributes
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Common
Oriana Menendez
Card Stock
English
Foil
{1}{U}
Instant
U
Card Text
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Until end of turn, target creature becomes a Dragon with base power and toughness 4/4 and gains flying. (It loses all other creature types.)
"Your purpose may change along with your shape, but you will serve regardless."






