"Swamp (142)" is a Common land card from the Planechase 2012 set of Magic: The Gathering, illustrated by John Avon. Valued at approximately $0.27, it serves as a basic land that produces black mana, essential for various strategies in the game. As a staple in many decks, its consistent demand reflects its utility, despite its low market price. Collectors appreciate its artwork and its foundational role in gameplay.