The 2021 Mystery Booster Playtest Card 81, Maro's Gone Nuts, a rare enchantment featuring unique doubling mechanics by Mark Rosewater.
2021 • Magic: The Gathering • Mystery Booster Playtest Cards 2021
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| Condition | Value | Source | Trend | Price Details |
|---|---|---|---|---|
$0.28 | Guide Estimate | 0% | ||
Raw / Ungraded
TCGplayer Market (reference) · Guide Estimate evidence · captured Oct 30, 2026
The 2021 Mystery Booster Playtest series offers a unique window into the creative development of Magic: The Gathering, and card number 81 stands out as a memorable entry. Maro's Gone Nuts is an enchantment that captures the playful spirit of the design team's experimentation. As a rare card within the set, it holds a special place in the hearts of TCG enthusiasts who appreciate the behind-the-scenes ingenuity of the game's evolution. Mark Rosewater, a key figure in Magic's history, designed this card, adding a layer of significance for collectors who follow the game's lore and development. The card features a mana cost of {G}{G} and functions as a green enchantment with a mana value of 2. Its rules text introduces a clever mechanical twist: it doubles any effect that doubles, effectively quadrupling the outcome. This unique interaction makes it a fascinating piece for those interested in the strategic depth and creative possibilities of the game. For collectors of Magic: The Gathering, the Mystery Booster Playtest Cards 2021 are highly sought after for their rarity and the insight they provide into the game's future. Maro's Gone Nuts, with its distinctive design and innovative mechanics, serves as a valuable addition to any collection. Whether you are building a set of playtest cards or simply appreciate the artistry and creativity of Mark Rosewater, this card offers a tangible connection to the dynamic world of Magic.
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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
Maro's Gone Nuts
Game
Magic: The Gathering
Rarity, print treatment, and game-specific stats for this card.
Rare
Mark Rosewater
Card Stock
English
{G}{G}
Enchantment
G
Abilities, attacks, oracle text, and flavor text printed on the card.
Double any effect that doubles. (It quadruples.)
FAQ
These cards are experimental designs created for internal testing and play, offering a glimpse into the creative process of Magic: The Gathering. They are not part of any standard expansion and are highly collectible for their rarity and unique mechanics.
Mark Rosewater, a prominent designer and developer for Magic: The Gathering, created this card. His involvement adds significance to the card for collectors who follow his work and contributions to the game.
Maro's Gone Nuts is a green enchantment with a mana cost of {G}{G} and a mana value of 2. It features a unique rule that doubles any effect that doubles, making it a powerful and interesting card in gameplay.
Explore cards with this name across sets and editions. Check each card’s details before choosing a version.