Mister Cheddar, Cheese Sliver (RB05a), a rare legendary creature from the 2025 Magic: The Gathering Unknown Event set designed by MagicCon Chicago attendees.
2025 • Magic: The Gathering • Unknown Event
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| Condition | Value | Source | Trend | Price Details |
|---|---|---|---|---|
$52.53As of 9/29/2026 | Guide Estimate | |||
Raw / Ungraded
TCGplayer Market (reference) · Guide Estimate evidence · captured Sep 30, 2026
History is building. At least two days of matching observations are needed to show a trend.
Each point is the last stored observation that day for this printing, condition, grader, autograph status and source. Gaps mean no observation; guide estimates and asking prices are not completed sales.Mister Cheddar, Cheese Sliver (RB05a) stands as a distinctive entry in the 2025 Magic: The Gathering Unknown Event, a set born from the creative minds of MagicCon Chicago participants. This legendary Rat Sliver card offers a unique twist on the Sliver tribe, granting all Rats and Slivers you control the Rat Sliver type and the ability to avoid being blocked by non-Cat, non-Rat creatures without ratmanship. Its most compelling feature for commanders is the ability to allow infinite copies of any Sliver card in your deck, fundamentally altering deck construction strategies. For collectors, this product represents the intersection of community-driven design and classic Magic mechanics. As a Rare card with a black mana cost, it provides a flavorful addition to any collection focused on tribal synergies or unique gameplay interactions. Enthusiasts of the Magic: The Gathering trading card game often seek out cards from this release to experience the creative freedom that defines the Unknown Event series.
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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
Mister Cheddar, Cheese Sliver
Game
Magic: The Gathering
Rarity, print treatment, and game-specific stats for this card.
Rare
Card Stock
English
{4}{B}
Legendary Creature — Rat Sliver
5 / 5
B
Abilities, attacks, oracle text, and flavor text printed on the card.
Rats and Slivers you control are Rat Slivers in addition to their other types and have ratmanship. (They can't be blocked except by Cats, Rats, or other creatures with ratmanship.) As long as Mister Cheddar is your commander, Sliver cards in your deck have "Your deck may contain any number of this card."
Designed by players at MagicCon Chicago 2025.
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