The Swarm of Locus, card #48 from the 2021 Mystery Booster Playtest Cards set. This rare Insect Locus creature offers unique gameplay dynamics for Magic: The Gathering enthusiasts.
Swarm of Locus
2021 • Magic: The Gathering • Mystery Booster Playtest Cards 2021
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Description
The Swarm of Locus, designated as card number 48 in the 2021 Mystery Booster Playtest Cards set, represents a fascinating glimpse into experimental design within Magic: The Gathering. Released under the set code CMB2, this rare card introduces players to the Locus subtype, a mechanic that rewards strategic board presence through scaling power. As a one-mana cost creature, the Swarm of Locus serves as an efficient early-game threat. Its primary appeal lies in its triggered ability: whenever it attacks, it gains +1/+0 for each other Locus you control on the battlefield. This design encourages builders to construct decks centered around the Locus archetype, creating a cohesive and powerful engine that scales with the player's commitment to the theme. The card's flying ability further enhances its utility, allowing it to bypass ground-based blockers and apply immediate pressure to opponents. Collectors often seek out Mystery Booster Playtest Cards because they showcase concepts that may never appear in standard expansions. The 2021 iteration serves as a testing ground for designers to gauge player response to new mechanics and card interactions. Owning a piece of this set connects you to the iterative process that shapes the game's future. The artwork by Emily Maltby brings this Insect Locus to life, making it a visual standout for those who appreciate the artistic diversity within the Mystery Booster series. For investors and hobbyists alike, Mystery Booster cards hold a unique place in the Magic: The Gathering ecosystem. They are not part of any standard rotation and are typically distributed through randomized packs or special events, adding to their allure. The Swarm of Locus stands as a testament to the game's willingness to experiment with complex synergies. Whether you are building a Locus-themed deck or simply collecting rare playtest cards, this creature offers both mechanical depth and historical significance to your collection.
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Card Details
The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
Catalog Profile
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Featured Subject
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Featured
Swarm of Locus
Game
Magic: The Gathering
TCG Attributes
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Rare
Emily Maltby
Card Stock
English
{1}{B}
Creature — Insect Locus
1 / 1
B
Card Text
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Flying Whenever Swarm of Locus attacks, it gets +1/+0 until end of turn for each Locus you control.











