# 2011 Magic: The Gathering Mirrodin Besieged #55

> The Septic Rats foil card from Magic: The Gathering's 2011 Mirrodin Besieged expansion. This uncommon Phyrexian Rat features the Infect ability and powerful synergy mechanics.

Canonical URL: https://supercatch.com/product/magic-the-gathering-mirrodin-besieged-septic-rats-55-foil

## Identity

- **Year**: 2011
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Mirrodin Besieged
- **Card number**: #55
- **Product type**: TCG_CARD

## Description

The Septic Rats card from Magic: The Gathering's 2011 Mirrodin Besieged set (MBS #55) is an uncommon foil creature that appeals to players and collectors alike. As a black Phyrexian Rat with a mana value of three, this card brings a distinct mechanical identity to the tabletop experience. Its printed rules text grants it the Infect ability, allowing it to deal damage to creatures via -1/-1 counters and to players through poison counters.

Beyond its inherent threat, the Septic Rats card offers strategic depth. Whenever this creature attacks, if the defending player is already poisoned, it receives a temporary +1/+1 boost until the end of the turn. This interaction makes it a compelling choice for decks built around poison strategies or those looking to leverage existing board states. The foil treatment adds a layer of visual appeal, making it a desirable addition to any Mirrodin Besieged collection.

Collector interest in this card often stems from its role within the Phyrexian theme of the Mirrodin block. Whether you are building a competitive deck or completing a set, the Septic Rats foil card represents a key component of the Mirrodin Besieged expansion.

## FAQ

### What is the Septic Rats card in Magic: The Gathering?

Septic Rats is an uncommon black creature card from the 2011 Mirrodin Besieged set. It is a Phyrexian Rat with the Infect ability, meaning it deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.

### How does the Septic Rats card work in gameplay?

This card has a mana cost of {1}{B}{B} and a power/toughness of 2/2. Its ability triggers whenever it attacks: if the defending player is poisoned, Septic Rats gets +1/+1 until the end of the turn, making it a stronger threat in poison-based strategies.

### Why is the Septic Rats foil card popular among collectors?

Collectors value the Septic Rats foil for its connection to the Phyrexian theme in the Mirrodin block and its unique mechanics. The foil finish enhances its visual appeal, making it a sought-after item for those completing the Mirrodin Besieged set.

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Last verified: 2025-11-29.
