Theoretical Duplication is a Rare Instant from the 2021 Magic: The Gathering Commander set, featuring the signature blue mana cost and strategic token-creation ability.
Theoretical Duplication
2021 • Magic: The Gathering • Commander
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Price History
$1.55
Description
Theoretical Duplication stands as a significant inclusion in the 2021 Magic: The Gathering Commander release, offering a unique strategic advantage for players who enjoy board states filled with creature tokens. As card number 361 in the set, this Rare Instant requires two generic mana and one blue mana to cast, fitting neatly into decks built around the blue color identity. Its mana value of three allows for consistent casting without relying on complex mana bases, making it a reliable tool for controlling the game flow. The card’s effect triggers whenever a nontoken creature controlled by an opponent enters the battlefield during the turn. When this happens, Theoretical Duplication creates a token copy of that creature, effectively turning an opponent’s aggressive plays into additional assets for the caster. This mechanic encourages strategic thinking, as players must weigh the immediate benefit of playing creatures against the risk of granting their opponent even more presence on the board. It is a card that rewards patience and timing, appealing to collectors and players who appreciate interactive gameplay mechanics. Created by artist Anna Christenson, Theoretical Duplication is part of the growing collection of Commander staples that continue to influence modern gameplay. The card’s design and functionality make it a sought-after piece for enthusiasts of the Magic: The Gathering trading card game. Whether you are building a competitive deck or simply expanding your library, this card represents a clever interaction that adds depth to the Commander format. Its presence in the 2021 set highlights Wizards of the Coast’s commitment to innovative card design that challenges players to think several moves ahead. For collectors, Theoretical Duplication offers a tangible connection to a pivotal moment in the Commander product line, serving as both a functional game piece and a valuable addition to any serious collection.
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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
Theoretical Duplication
Game
Magic: The Gathering
TCG Attributes
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Rare
Anna Christenson
Card Stock
English
{2}{U}
Instant
U
Card Text
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Whenever a nontoken creature an opponent controls enters this turn, create a token that's a copy of that creature.













