# 2025 Magic: The Gathering Unknown Event #RB05a

> Mister Cheddar, Cheese Sliver (RB05a), a rare legendary creature from the 2025 Magic: The Gathering Unknown Event set designed by MagicCon Chicago attendees.

Canonical URL: https://supercatch.com/product/magic-the-gathering-unknown-event-mister-cheddar-cheese-sliver-rb05a

## Identity

- **Year**: 2025
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Unknown Event
- **Card number**: #RB05a
- **Product type**: TCG_CARD

## Description

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.

## FAQ

### What makes Mister Cheddar, Cheese Sliver unique in Magic: The Gathering?

This legendary Rat Sliver grants ratmanship to your Rats and Slivers, preventing them from being blocked except by Cats or other creatures with ratmanship. Additionally, as your commander, it allows your deck to include any number of copies of any Sliver card, enabling powerful tribal strategies.

### What set is Mister Cheddar, Cheese Sliver (RB05a) from?

Mister Cheddar, Cheese Sliver (RB05a) is from the Unknown Event, a 2025 Magic: The Gathering set designed by players at MagicCon Chicago. It is categorized as a Rare card within this community-created expansion.

### Is Mister Cheddar, Cheese Sliver a good commander?

Yes, Mister Cheddar is an excellent commander choice for Sliver or Rat tribal decks. Its ability to allow infinite copies of Sliver cards in your deck provides significant flexibility and power, while its ratmanship effect offers strategic advantages in combat.

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## Companion files

- [llms.txt](https://supercatch.com/llms.txt) — site-level concise index.
- [llms-full.txt](https://supercatch.com/llms-full.txt) — site-level expanded corpus.
- [ai.txt](https://supercatch.com/ai.txt) — AI training and licensing terms.

Last verified: 2025-11-29.