Your search for "Swamp 64" revealed the following:
Swamp (196) (HOB) from The Hobbit, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: WFlemming Illustration
Swamp (286) (FRA) from Reality Fracture, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Leon Tukker
Swamp (340) (ONS) from Onslaught, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Doug Chaffee
Swamp (075) (DDQ) from Duel Decks: Blessed vs. Cursed, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Adam Paquette
Swamp (262) (Foil) (ORI) from Magic Origins, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Dan Frazier
Swamp (462) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sam White
Swamp (461) (Foil) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Grady Frederick
Swamp (204) (POR) from Portal, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Romas Kukalis
Swamp (339) (8ED) from Eighth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Bob Eggleton
Swamp (281) (Foil) (MSH) from Marvel Super Heroes, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Marc Aspinall
Swamp (264) (RTR) from Return to Ravnica, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Richard Wright
Swamp (459) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Piotr Dura
Swamp (196) (SPM) from Marvel's Spider-Man, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jonas De Ro
Swamp (279) (MOM) from March of the Machine, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sam Burley
Swamp (272) - Full Art (ZNR) from Zendikar Rising, 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 (281) (MSH) from Marvel Super Heroes, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Marc Aspinall
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 (288) (NEO) from Kamigawa: Neon Dynasty, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Adam Paquette Card Text:T: Add B.
Swamp (076) (DDQ) from Duel Decks: Blessed vs. Cursed, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jung Park
Swamp (261) (ORI) from Magic Origins, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Larry Elmore
Swamp (269) (DMU) from Dominaria United, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mark Poole
Snow-Covered Swamp (1475) - Paradise Frost (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: ELK64 Card Text: Paradise Frost
Swamp (273) (BRO) from The Brothers' War, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Robin Olausson
Swamp (406) - Retro Frame (Foil) (DMR) from Dominaria Remastered, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Titus Lunter
Swamp - Spellcraft Showcase (269) (SOS) from Secrets of Strixhaven, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Joshua Raphael
Swamp (273) - Eternal Night Showcase (Foil) (MID) from Innistrad: Midnight Hunt, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Dan Mumford
Swamp (241) (M11) from Magic 2011, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jim Pavelec
Swamp (322) (Foil) (PIP) from Fallout, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Nikola Matkovic
Swamp (js439) (WC97) (Jakub Šlemr) from World Championship Decks 1997, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Andrew Robinson Card Text:T: Add B to your mana pool.Not a Tournament Legal card.
Swamp (257) (KLD) from Kaladesh, 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 (Foil) (BFZ) (#263) from Battle for Zendikar, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Jung Park
Swamp (459) (Foil) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Piotr Dura
Swamp (285) (Foil) (FRA) from Reality Fracture, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Josu Solano
Swamp (063) (GNT) from Game Night, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jonas De Ro
Swamp (294) (2ED) from Unlimited Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dan Frazier Card Text:Tap to add B to your mana pool.
Swamp (342) (MMQ) from Mercadian Masques, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Terry Springer
Swamp - Summer (271) (Foil) (BLB) from Bloomburrow, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: John Thacker
Swamp (261) (Foil) (ORI) from Magic Origins, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Larry Elmore
Swamp - Judge Gift Cards 2014 (Foil) (J14) from Judge Gift Cards 2014, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Terese Nielsen
Swamp (374) (ICE) from Ice Age, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Douglas Shuler Card Text:[B]
Swamp (287) (NEO) from Kamigawa: Neon Dynasty, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Piotr Dura Card Text:T: Add B.
Swamp (340) (Foil) (8ED) from Eighth Edition, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: John Avon
Swamp (340) (MIR) from Mirage, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Bob Eggleton Card Text:T: Add B to your mana pool.
Swamp (286) (Foil) (FRA) from Reality Fracture, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Leon Tukker
Swamp (340) (8ED) from Eighth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Avon
Swamp - Showcase (Foil) (M21) from Core Set 2021, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Jonas De Ro
Swamp (241) (M10) from Magic 2010, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Alan Pollack