Your search for "swamp 81" revealed the following:
Swamp (075) (GK1) from GRN Guild Kit, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Florian de Gesincourt
Swamp (078) (GK2) from RNA Guild Kit, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dimitar Marinski
Swamp (082) (BTD) from Beatdown Box Set, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Avon
Swamp (119) - Artist Series: Seb McKinnon (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Seb McKinnon Card Text: Artist Series: Seb McKinnon(T: Add B.)
Swamp (051) (GK2) from RNA Guild Kit, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Ravenna Tran
Swamp (105) (DPA) from Duels of the Planeswalkers, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Alan Pollack
Swamp (850) (Surge Foil) (PIP) from Fallout, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Nikola Matkovic
Swamp (558) - Jumpstart Lands (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Lucas Graciano Card Text: Foil Jumpstart Lands(T: Add B.)
Swamp (261) (ORI) from Magic Origins, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Larry Elmore
Swamp (297) - Full Art (Foil) (NEO) from Kamigawa: Neon Dynasty, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Maiko Aoji Card Text:T: Add B.
Swamp - Stained Glass Full Art (279) (Foil) (DMU) from Dominaria United, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Magali Villeneuve
Swamp (174) (PTK) from Portal Three Kingdoms, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Wang Chuxiong
Swamp (083) (BTD) from Beatdown Box Set, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Romas Kukalis
Swamp (105) - Happy Little Gathering (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Bob Ross Card Text: Happy Little Gathering(T: Add B.)
Swamp - Tower Full Art (388) (Foil) (FRA) from Reality Fracture, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Daniel Romanovsky
Swamp (298) (3ED) from Revised Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dan Frazier Card Text:T: Add B to your mana pool.
Swamp - Tower Full Art (389) (Foil) (FRA) from Reality Fracture, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Daniel Romanovsky
Swamp - Tower Full Art (390) (Foil) (FRA) from Reality Fracture, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Daniel Romanovsky
Swamp (407) - Retro Frame (Foil) (DMR) from Dominaria Remastered, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Romas Kukalis
Swamp (384) - The Astrology Lands (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Jeanne D'Angelo Card Text: Zodiac Lands(T: Add B.)
Swamp (281) (MSH) from Marvel Super Heroes, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Marc Aspinall
Swamp (119) - Artist Series: Seb McKinnon (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Seb McKinnon Card Text: Artist Series: Seb McKinnon(T: Add B.)
Swamp (241) (M11) from Magic 2011, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jim Pavelec
Swamp (344) (C16) from Commander 2016, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mark Poole
Swamp (298) - Full Art (Foil) (NEO) from Kamigawa: Neon Dynasty, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Shie Nanahara Card Text:T: Add B.
Swamp (281) (Foil) (MSH) from Marvel Super Heroes, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Marc Aspinall
Swamp (058) - Phyrexian (JMP) from Jumpstart, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Titus Lunter
Swamp (181) (Foil) (FRF) from Fate Reforged, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Adam Paquette
Swamp (239) (Foil) (M11) from Magic 2011, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Larry Elmore
Swamp (js339) (WC99) (Jakub Šlemr) from World Championship Decks 1999, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Avon Card Text:T: Add B to your mana pool.Not a Tournament Legal card.
Swamp (025) (GK1) from GRN Guild Kit, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Noah Bradley
Swamp (256) - The Full-Text Lands (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Card Text: Voracious ReaderThis card's name is Swamp. Basic is its supertype, land is its card type, and Swamp...
Swamp (241) (Foil) (M11) from Magic 2011, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Jim Pavelec
Swamp (343) (C16) from Commander 2016, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Rebecca Guay
Swamp (1161) (Surge Foil) (WHO) from Doctor Who, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Svetlin Velinov
Swamp (269) (M19) from Core Set 2019, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mike Bierek
Swamp (105) (ACR) from Assassin's Creed, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Wei Guan
Swamp (331) (C15) from Commander 2015, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Avon
Swamp (088) (J25) from Foundations Jumpstart, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jung Park
Swamp (301) (C18) from Commander 2018, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Andreas Rocha
Swamp (180) (FRF) from Fate Reforged, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sam Burley
Swamp (261) (Foil) (ORI) from Magic Origins, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Larry Elmore
Swamp (462) (Foil) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Sam White
Swamp (171) (NPH) from New Phyrexia, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Lars Grant-West
Swamp (369) - Celestial Borderless (Galaxy Foil) (EOE) from Edge of Eternities, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Adam Paquette
Swamp (271) (M19) from Core Set 2019, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Christine Choi
Swamp (310) (CMD) from Commander 2011, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Richard Wright
Swamp (307) (CMD) from Commander 2011, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dan Frazier
Swamp (240) (Foil) (M11) from Magic 2011, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Alex Horley-Orlandelli
Swamp (256) - The Full-Text Lands (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Normal Card Text: Voracious ReaderThis card's name is Swamp. Basic is its supertype, land is its card type, and Swamp is...