Your search for "swamp 61" revealed the following:
Swamp (206) (POR) from Portal, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Romas Kukalis
Swamp (341) (8ED) from Eighth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dan Frazier
Swamp (BFZ) (#264) from Battle for Zendikar, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Tianhua X
Swamp (BFZ) (#260) from Battle for Zendikar, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Noah Bradley
Swamp (349) (7ED) from Seventh Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Tony Szczudlo
Swamp - Full Art (283) (BRO) from The Brothers' War, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Robin Olausson
Swamp (196) (Foil) (SPM) from Marvel's Spider-Man, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Jonas De Ro
Swamp (204) (POR) from Portal, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Romas Kukalis
Swamp (241) [Full Art] (ZEN) from Zendikar, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Vincent Proce
Swamp (277) (LTR) from The Lord of the Rings: Tales of Middle-earth, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Deven Rue
Swamp (201) (WHO) from Doctor Who, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Svetlin Velinov
Swamp (Foil) (BFZ) (#260) from Battle for Zendikar, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Noah Bradley
Swamp (136) (BRB) from Battle Royale Box Set, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Avon
Swamp (241) [Full Art] (Foil) (ZEN) from Zendikar, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Vincent Proce
Swamp (370) (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 (271) (AFR) from Adventures in the Forgotten Realms, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sarah Finnigan
Swamp - Oil Slick (367) (Foil) (ONE) from Phyrexia: All Will Be One, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Daria Khlebnikova
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) (MMQ) from Mercadian Masques, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Rob Alexander
Swamp (272) - Eternal Night Showcase (Foil) (MID) from Innistrad: Midnight Hunt, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Alayna Danner
Swamp (791) (CMM) from Commander Masters, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sam Burley
Swamp (560) - Jumpstart Lands (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Titus Lunter Card Text: Foil Jumpstart LandsT: Add B
Swamp (106) (Foil) (ACR) from Assassin's Creed, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Wangjie Li
Swamp (460) (Foil) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Logan Feliciano
Swamp (264) (CLU) from Ravnica: Clue Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Christopher Moeller
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 (078) (GK2) from RNA Guild Kit, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dimitar Marinski
Swamp (106) (ACR) from Assassin's Creed, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Wangjie Li
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 (273) - Eternal Night Showcase (Foil) (MID) from Innistrad: Midnight Hunt, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Dan Mumford
Swamp (270) (DMU) from Dominaria United, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Johannes Voss
Swamp (296) (CHK) from Champions of Kamigawa, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jim Nelson
Swamp (260) (KTK) from Khans of Tarkir, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Adam Paquette
Swamp (407) - Retro Frame (Foil) (DMR) from Dominaria Remastered, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Romas Kukalis
Swamp (272) - Full Art (ZNR) from Zendikar Rising, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sam Burley
Swamp (281) (MSH) from Marvel Super Heroes, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Marc Aspinall
Swamp (296) (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 (BFZ) (#261) from Battle for Zendikar, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sam Burley
Swamp (266) (Foil) (IKO) from Ikoria: Lair of Behemoths, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Alayna Danner
Swamp (065) - The Godzilla Lands - Japanese (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Lucas Graciano Card Text: The Godzilla LandsBThis land is printed Japanese-only for the Secret Lair Drop...
Swamp (295) (CHK) from Champions of Kamigawa, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jim Nelson
Swamp (344) (SCD) from Starter Commander Decks, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mark Poole
Swamp (273) (AFR) from Adventures in the Forgotten Realms, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Adam Paquette
Swamp (269) (DMU) from Dominaria United, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mark Poole
Swamp (BFZ) (#263) from Battle for Zendikar, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jung Park
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 - Full Art (282) (Foil) (BRO) from The Brothers' War, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Sergey Glushakov
Swamp (377) (2XM) from Double Masters, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Avon
Swamp (034) (BRC) from The Brothers' War Commander, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Robin Olausson