Your search for "swamp 28" revealed the following:
Swamp (273) (BRO) from The Brothers' War, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Robin Olausson
Swamp (346) (C13) from Commander 2013, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jonas De Ro
Swamp (238) (M10) from Magic 2010, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dan Frazier
Swamp (342) (6ED) from Classic Sixth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Romas Kukalis
Swamp (cr340) (WC02) (Carlos Romão) from World Championship Decks 2002, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Arnie Swekel Card Text:BNot a Tournament Legal card.
Swamp (341) (ODY) from Odyssey, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Rob Alexander
Swamp (269) (M19) from Core Set 2019, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mike Bierek
Swamp (272) (WOE) from Wilds of Eldraine, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Julian Kok Joon Wen
Swamp (061) (JMP) from Jumpstart, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Andreas Rocha
Swamp (272) (Foil) (M20) from Core Set 2020, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Jonas De Ro
Swamp (347) (7ED) from Seventh Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Rob Alexander
Swamp (085) (DDJ) from Duel Decks: Izzet vs. Golgari, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Anthony S. Waters
Swamp (075) (GK1) from GRN Guild Kit, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Florian de Gesincourt
Swamp (034) (BRC) from The Brothers' War Commander, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Robin Olausson
Swamp (374) (10E) from Tenth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jim Nelson
Swamp (257) (Foil) (WAR) from War of the Spark, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Adam Paquette
Swamp (075) (DDQ) from Duel Decks: Blessed vs. Cursed, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Adam Paquette
Swamp (793) (CMM) from Commander Masters, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Kev Walker
Swamp (369) - Celestial Borderless (Galaxy Foil) (EOE) from Edge of Eternities, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Adam Paquette
Swamp (087) (J25) from Foundations Jumpstart, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Julian Kok Joon Wen
Swamp (238) (M13) from Magic 2013, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mike Bierek
Swamp (105) (DPA) from Duels of the Planeswalkers, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Alan Pollack
Swamp (268) (IKO) from Ikoria: Lair of Behemoths, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Svetlin Velinov
Swamp (171) (NPH) from New Phyrexia, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Lars Grant-West
Swamp (261) (ORI) from Magic Origins, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Larry Elmore
Swamp (259) (ELD) from Throne of Eldraine, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Daarken
Swamp (272) - Eternal Night Showcase (Foil) (MID) from Innistrad: Midnight Hunt, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Alayna Danner
Swamp (240) (ROE) from Rise of the Eldrazi, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Véronique Meignaud
Swamp (348) (C13) from Commander 2013, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Andreas Rocha
Swamp - Spellcraft Showcase (269) (SOS) from Secrets of Strixhaven, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Joshua Raphael
Swamp (340) (Foil) (8ED) from Eighth Edition, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: John Avon
Swamp (406) - Retro Frame (DMR) from Dominaria Remastered, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Titus Lunter
Swamp (341) (MMQ) from Mercadian Masques, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Rob Alexander
Swamp (260) (KTK) from Khans of Tarkir, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Adam Paquette
Swamp (267) (IKO) from Ikoria: Lair of Behemoths, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jesper Ejsing
Swamp (262) (ORI) from Magic Origins, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dan Frazier
Swamp (792) (CMM) from Commander Masters, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sam Burley
Swamp (298) (MRD) from Mirrodin, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Avon
Swamp (297) (Foil) (CHK) from Champions of Kamigawa, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Jim Nelson
Swamp (308) (CMD) from Commander 2011, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jung Park
Swamp (257) (WAR) from War of the Spark, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Adam Paquette
Swamp (292) (Foil) (TSP) from Time Spiral, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Craig Mullins
Swamp (256) (ISD) from Innistrad, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: James Paick
Swamp (086) (DDJ) from Duel Decks: Izzet vs. Golgari, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Richard Wright
Swamp (238) (Foil) (AVR) from Avacyn Restored, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Jung Park
Swamp (341) (Foil) (8ED) from Eighth Edition, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Dan Frazier
Swamp - Summer (271) (BLB) from Bloomburrow, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Thacker
Swamp (297) (CM2) from Commander Anthology Volume II, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mark Poole
Swamp (262) (Foil) (ORI) from Magic Origins, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Dan Frazier
Swamp (290) (SOI) from Shadows over Innistrad, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jung Park