The 1993 Magic: The Gathering Collectors' Edition card Conversion (#16) is an Uncommon Enchantment that transforms Mountains into Plains with a upkeep cost.
Conversion
1993 • Magic: The Gathering • Collectors' Edition
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$1.30
Description
Within this foundational release, Conversion stands out as card number 16, an Uncommon Enchantment designed by Jesper Myrfors that introduces a strategic resource trade-off for players. As a white mana card with a mana value of 4, Conversion requires a mana cost of {2}{W}{W} to cast. Its primary effect allows a player to convert all Mountains on the battlefield into Plains, providing a powerful solution for decks struggling against color-specific threats or needing to enable specific abilities that require Plains. However, this effect comes with a recurring maintenance cost: at the beginning of the controller's upkeep, they must sacrifice the enchantment unless they pay an additional {W}{W}. This mechanic forces players to weigh the immediate board advantage against the long-term mana drain, making it a unique tool in the early game's strategic landscape. Collectors value this card not just for its gameplay utility, but for its place in the Collectors' Edition (CED), which was one of the first major printings to reach a global audience. The black border design became the standard for subsequent Magic sets, making early cards like Conversion historical artifacts of the game's visual evolution. Whether you are completing a set of early Uncommons, studying the evolution of mana base manipulation, or simply appreciating the legacy of Jesper Myrfors' artwork, this card offers a tangible connection to the sport's origins. The card remains a staple in discussions about early game design, illustrating how simple rules could create complex strategic decisions. Its ability to shift the entire board state highlights the innovative spirit of the era, where every card had the potential to drastically alter the flow of the match. For those interested in the history of Magic: The Gathering, owning or studying Conversion provides insight into the developers' approach to resource management and board control.
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Card Details
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Catalog Profile
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Featured Subject
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Featured
Conversion
Game
Magic: The Gathering
TCG Attributes
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Uncommon
Jesper Myrfors
Card Stock
English
{2}{W}{W}
Enchantment
W
Card Text
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At the beginning of your upkeep, sacrifice this enchantment unless you pay {W}{W}. All Mountains are Plains.




















