Your search for "swamp 44" revealed the following:
Swamp (377) (Foil) (2XM) from Double Masters, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: John Avon
Swamp (277) (FDN) from Foundations, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Rebecca Guay
Swamp (034) (DDE) from Duel Decks: Phyrexia vs. the Coalition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Ron Spencer
Swamp (340) (Foil) (ONS) from Onslaught, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Doug Chaffee
Swamp (266) (Foil) (IKO) from Ikoria: Lair of Behemoths, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Alayna Danner
Swamp (144) (PCA) from Planechase Anthology, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jim Nelson
Swamp (256) (Foil) (KLD) from Kaladesh, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: James Paick
Swamp (287) (Foil) (NEO) from Kamigawa: Neon Dynasty, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Piotr Dura Card Text:T: Add B.
Swamp (272) - Full Art (VOW) from Innistrad: Crimson Vow, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Pig Hands
Swamp (294) (CM2) from Commander Anthology Volume II, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Rebecca Guay
Swamp (486) (MH2) from Modern Horizons 2, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Pete Venters
Swamp (398) (LCI) from The Lost Caverns of Ixalan, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Adam Paquette
Swamp (241) (M12) from Magic 2012, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Alan Pollack
Swamp (258) (WAR) from War of the Spark, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Richard Wright
Swamp (273) - Eternal Night Showcase (Foil) (MID) from Innistrad: Midnight Hunt, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Dan Mumford
Swamp (286) (FDN) from Foundations, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Steven Belledin
Swamp (074) (DDQ) from Duel Decks: Blessed vs. Cursed, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: James Paick
Swamp (342) (Foil) (INV) from Invasion, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Ron Spencer
Swamp (375) (ICE) from Ice Age, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Douglas Shuler Card Text:[B]
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 (369) - Celestial Borderless (Galaxy Foil) (EOE) from Edge of Eternities, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Adam Paquette
Swamp (340) (Foil) (INV) from Invasion, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Rob Alexander
Swamp (057) (JMP) from Jumpstart, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Titus Lunter
Swamp (104) - 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 (273) (Foil) (BRO) from The Brothers' War, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Robin Olausson
Swamp (264) (RTR) from Return to Ravnica, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Richard Wright
Swamp (272) (EOE) from Edge of Eternities, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Liiga Smilshkalne
Swamp (js340a) (WC99) (Jakub Šlemr) from World Championship Decks 1999, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Brom Card Text:T: Add B to your mana pool.Not a Tournament Legal card.
Swamp (271) (Foil) (M19) from Core Set 2019, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Christine Choi
Swamp (273) - Full Art (ZNR) from Zendikar Rising, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Slawomir Maniak
Swamp (374) (BLB) from Bloomburrow, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Thomas Stoop
Swamp (240) (ALA) from Shards of Alara, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mark Tedin
Swamp (241) (THS) from Theros, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Raoul Vitale
Swamp (340) (Foil) (8ED) from Eighth Edition, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: John Avon
Swamp (292) (Foil) (MSH) from Marvel Super Heroes, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Oliver Wetter
Swamp (240) (Foil) (M11) from Magic 2011, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Alex Horley-Orlandelli
Swamp (371) (Foil) (STX) from Strixhaven: School of Mages, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Adam Paquette Card Text:T: Add B.
Swamp (288) (Foil) (NEO) from Kamigawa: Neon Dynasty, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Adam Paquette Card Text:T: Add B.
Swamp (191) - Full Art (SPM) from Marvel's Spider-Man, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sarah Finnigan
Swamp - Full Art (274) (DFT) from Aetherdrift, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jonas De Ro
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 (196) (SPM) from Marvel's Spider-Man, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jonas De Ro
Swamp (341) (TMP) from Tempest, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Brom Card Text:T: Add B to your mana pool.
Swamp (241) (Foil) (M11) from Magic 2011, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Jim Pavelec
Swamp (339) (8ED) from Eighth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Bob Eggleton
Swamp (241) (Foil) (M14) from Magic 2014, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Andreas Rocha
Swamp (339) (TMP) from Tempest, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Brom Card Text:T: Add B to your mana pool.
Swamp (486) - Secret Lair x Arcane: Lands (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Riot Games Card Text: Secret Lair × Arcane: Lands(T: Add B.)
Swamp (040) (DDN) from Duel Decks: Speed vs. Cunning, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jung Park
Swamp (272) (M19) from Core Set 2019, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mark Poole