# 2020 Magic: The Gathering Core Set #266

> The 2020 Magic: The Gathering Core Set Swamp (M21 #266) is a foundational basic land card designed to generate black mana for gameplay.

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## Identity

- **Year**: 2020
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Core Set
- **Card number**: #266
- **Product type**: TCG_CARD

## Description

The 2020 Magic: The Gathering Core Set Swamp card, identified by number 266 in the M21 set, serves as a fundamental component for any black-aligned deck. As a Basic Land card, this edition provides a reliable source of black mana, allowing players to cast spells and activate abilities that require the black color identity. The card is illustrated by Mike Bierek, whose artwork defines the visual aesthetic of the M21 release, making it a recognizable piece for collectors of the Magic: The Gathering trading card game. For those building their collection, acquiring this card ensures they have the necessary resources to participate in various formats of the game. The M21 set was designed to welcome new players while offering nostalgia for veterans, and this Swamp card represents the core mechanics that drive the game forward. Collectors often seek out complete sets or specific cards from the Core Set to complete their libraries, and the #266 Swamp is a key part of that puzzle. Whether you are a seasoned commander player or just starting your journey into the Multiverse, having a high-quality copy of this basic land is a smart addition to your inventory. The card's straightforward design and essential function make it a staple in the Magic: The Gathering ecosystem.

## FAQ

### What does the Swamp card do in Magic: The Gathering?

The Swamp card is a Basic Land that allows the player to add one black mana ({B}) to their mana pool by tapping the card. This resource is essential for casting spells and activating abilities that require black mana.

### Is the 2020 M21 Swamp card rare?

The Swamp card from the 2020 Core Set (M21) is printed as a Common rarity card. This means it is one of the most frequently printed cards in the set, making it accessible for most players and collectors.

### Who illustrated the 2020 Magic: The Gathering Swamp card?

The artwork for the 2020 Core Set Swamp card, number 266, was created by artist Mike Bierek. His style is known for its clarity and strong depiction of fantasy elements within the Magic universe.

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Last verified: 2025-11-29.