Your search for "swamp 42" revealed the following:
Swamp (342) (Foil) (INV) from Invasion, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Ron Spencer
Swamp (371) (4ED) from Fourth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dan Frazier Card Text:T: Add B to your mana pool.
Swamp (292) (LRW) from Lorwyn, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Wayne Reynolds
Swamp (273) (BRO) from The Brothers' War, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Robin Olausson
Swamp (792) (CMM) from Commander Masters, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sam Burley
Swamp (407) - Retro Frame (Foil) (DMR) from Dominaria Remastered, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Romas Kukalis
Swamp (272) (Foil) (BRO) from The Brothers' War, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Sam Burley
Swamp (078) (GK2) from RNA Guild Kit, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dimitar Marinski
Swamp (342) (6ED) from Classic Sixth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Romas Kukalis
Swamp (241) - The Unfathomable Crushing Brutality of Basic Lands (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Mark Riddick Card Text: Brutal Basic Lands
Swamp (273) - Eternal Night Showcase (Foil) (MID) from Innistrad: Midnight Hunt, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Dan Mumford
Swamp (272) (EOE) from Edge of Eternities, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Liiga Smilshkalne
Swamp (272) (Foil) (AFR) from Adventures in the Forgotten Realms, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Titus Lunter
Swamp (1192) - Post Malone: The Lands (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Ron Spears & Post Malone Card Text: Secret Lair × Post Malone: The Lands
Swamp (369) - Celestial Borderless (Galaxy Foil) (EOE) from Edge of Eternities, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Adam Paquette
Swamp (204) (POR) from Portal, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Romas Kukalis
Swamp (574) (Surge Foil) (FIN) from Final Fantasy, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Domenico Cava
Swamp (273) (Foil) (BRO) from The Brothers' War, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Robin Olausson
Swamp (292) (Foil) (MSH) from Marvel Super Heroes, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Oliver Wetter
Swamp (088) (J25) from Foundations Jumpstart, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jung Park
Swamp (340) (INV) from Invasion, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Rob Alexander
Swamp (341) (MMQ) from Mercadian Masques, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Rob Alexander
Swamp (252) (THB) from Theros Beyond Death, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sam Burley
Swamp (374) (ICE) from Ice Age, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Douglas Shuler Card Text:[B]
Swamp (266) (Foil) (IKO) from Ikoria: Lair of Behemoths, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Alayna Danner
Swamp (343) (SCD) from Starter Commander Decks, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jung Park
Swamp (060) (JMP) from Jumpstart, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Ravenna Tran
Swamp (293) - Retro Frame (INR) from Innistrad Remastered, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Kasia 'Kafis' Zielińska
Swamp - Stained Glass Full Art (279) (Foil) (DMU) from Dominaria United, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Magali Villeneuve
Swamp (341) (ONS) from Onslaught, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dan Frazier
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 (276) (FDN) from Foundations, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mike Bierek
Swamp - Showcase (Foil) (M21) from Core Set 2021, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Jonas De Ro
Swamp (342) (MMQ) from Mercadian Masques, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Terry Springer
Swamp (314) (TRK) from Star Trek, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Pablo Mendoza
Swamp (286) (FDN) from Foundations, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Steven Belledin
Swamp (342) (Foil) (MMQ) from Mercadian Masques, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Terry Springer
Swamp (484) (Surge Foil) (TRK) from Star Trek, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Rytis Sabaliauskas
Swamp (272) - Full Art (Foil) (VOW) from Innistrad: Crimson Vow, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Pig Hands
Swamp (281) (MSH) from Marvel Super Heroes, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Marc Aspinall
Swamp (438) (5ED) from Fifth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Andrew Robinson Card Text:T: Add B to your mana pool.
Swamp (271) (Foil) (AFR) from Adventures in the Forgotten Realms, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Sarah Finnigan
Swamp (346) (C13) from Commander 2013, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jonas De Ro
Swamp (262) (CLU) from Ravnica: Clue Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Florian de Gesincourt
Swamp (322) (PIP) from Fallout, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Nikola Matkovic
Swamp (462) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sam White
Swamp (075) (DDQ) from Duel Decks: Blessed vs. Cursed, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Adam Paquette
Swamp (264) - Celestial Borderless (Foil) (EOE) from Edge of Eternities, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Adam Paquette
Swamp (282) (Foil) (MSH) from Marvel Super Heroes, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Sylvia Liu
Swamp (406) - Retro Frame (DMR) from Dominaria Remastered, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Titus Lunter