# 2020 Magic: The Gathering Core Set 2021 #266

> The Core Set 2021 Swamp (card #266) is a common basic land card featuring a foil treatment, designed to produce Black mana for Magic: The Gathering gameplay.

Canonical URL: https://supercatch.com/product/magic-the-gathering-core-set-2021-swamp-266-foil

## Identity

- **Year**: 2020
- **Brand**: Magic: The Gathering
- **Set**: Core Set 2021
- **Card Number**: 266
- **Featured**: Swamp
- **Game**: Magic: The Gathering
- **Rarity**: Common
- **Type**: Basic Land — Swamp
- **Language**: English
- **Material**: Card Stock
- **Finish**: Foil

## Description

The Magic: The Gathering Core Set 2021 Swamp card, designated as number 266, serves as a fundamental resource for players utilizing Black mana strategies. As a basic land card within the M21 set, it provides a reliable method to generate black mana symbols, a core requirement for numerous spells and abilities in the game. The card carries a rarity of Common, ensuring it is widely accessible for building competitive and casual decks alike.

This print features a foil finish, a treatment that distinguishes it from the standard nonfoil version while maintaining the same functional rules. The card type is listed as Basic Land — Swamp, and it holds a mana value of 0, allowing it to be played immediately from the opening hand. Its color identity is strictly Black, aligning it with decks focused on that specific color. The artist credited for this iteration of the card is Mike Bierek, contributing to the visual identity of the Core Set 2021 release.

For collectors of Magic: The Gathering, the Core Set 2021 Swamp represents a staple of the modern era of the game. The foil variant offers a distinct aesthetic option for those who appreciate the shine and texture differences in their collection. This foil Swamp card, numbered 266 in the 2020 Core Set 2021, serves as a basic land that adds {B} mana when tapped. The combination of its essential gameplay function and its foil treatment makes it a notable item for enthusiasts of the trading card game.

## FAQ

### What mana does the Core Set 2021 Swamp produce?

The Swamp card is a basic land that produces Black mana when tapped. This is its primary function in gameplay, allowing players to cast Black spells.

### Who is the artist for the Core Set 2021 Swamp card?

The artist credited for the Core Set 2021 Swamp card is Mike Bierek. His artwork appears on this foil version of the card.

### Is the Core Set 2021 Swamp a foil or nonfoil card?

The listing refers to the foil version of the card. The foil treatment gives the card a shiny finish, distinguishing it from the standard nonfoil common version.

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Editorial content updated: 2026-10-08.

Site deployment: 2025-11-29.