Your search for "swamp 345" revealed the following:
Swamp (345) (C13) from Commander 2013, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mike Bierek
Swamp (345) (C16) from Commander 2016, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Kev Walker
Swamp (344) (C16) from Commander 2016, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mark Poole
Swamp (343) (C16) from Commander 2016, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Rebecca Guay
Swamp (346) (C13) from Commander 2013, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jonas De Ro
Swamp (342) (Foil) (ODY) from Odyssey, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Alan Pollack
Swamp (034) (BRC) from The Brothers' War Commander, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Robin Olausson
Swamp (343) (SCD) from Starter Commander Decks, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jung Park
Swamp (344) (SCD) from Starter Commander Decks, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mark Poole
Swamp (348) (C13) from Commander 2013, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Andreas Rocha
Swamp (342) (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 (145) (PCA) from Planechase Anthology, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jim Nelson
Swamp (342) (Foil) (MMQ) from Mercadian Masques, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Terry Springer
Swamp (334) (C15) from Commander 2015, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jung Park
Swamp (347) (C13) from Commander 2013, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jung Park
Swamp (342) (USG) from Urza's Saga, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Avon Card Text:T: Add B to your mana pool.
Swamp (342) (SCD) from Starter Commander Decks, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Piotr Dura
Swamp (331) (C15) from Commander 2015, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Avon
Swamp (342) (ODY) from Odyssey, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Alan Pollack
Swamp (204) (POR) from Portal, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Romas Kukalis
Swamp (205) (POR) from Portal, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Romas Kukalis
Swamp (342) (8ED) from Eighth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Larry Elmore
Swamp (1947) - Flower Power (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Ashley Dreyfus Card Text: Flower Power
Swamp (206) (POR) from Portal, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Romas Kukalis
Swamp (342) (Foil) (INV) from Invasion, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Ron Spencer
Swamp (034) (DDE) from Duel Decks: Phyrexia vs. the Coalition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Ron Spencer
Swamp (333) (C15) from Commander 2015, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jonas De Ro
Swamp (327) (C14) from Commander 2014, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Véronique Meignaud
Swamp (332) (C15) from Commander 2015, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Cliff Childs
Swamp (328) (C14) from Commander 2014, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jung Park
Swamp (558) - Jumpstart Lands (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Lucas Graciano Card Text: Foil Jumpstart Lands(T: Add B.)
Swamp (342) (MMQ) from Mercadian Masques, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Terry Springer
Swamp (341) (SCD) from Starter Commander Decks, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jonas De Ro
Swamp (174) (PTK) from Portal Three Kingdoms, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Wang Chuxiong
Swamp (342) (6ED) from Classic Sixth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Romas Kukalis
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 (340) (9ED) from Ninth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Avon
Swamp (314) (Surge Foil) (40K) from Warhammer 40,000 Commander, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Kamila Szutenberg
Swamp (374) (BLB) from Bloomburrow, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Thomas Stoop
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 (297) (CM2) from Commander Anthology Volume II, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mark Poole
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 (461) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Grady Frederick
Swamp (239) (M14) from Magic 2014, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jonas De Ro
Swamp (313) (Surge Foil) (40K) from Warhammer 40,000 Commander, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Andrey Nyarl
Swamp (033) (BRC) from The Brothers' War Commander, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sam Burley
Swamp (055) (JMP) from Jumpstart, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Piotr Dura
Swamp (299) (C18) from Commander 2018, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Aleksi Briclot
Swamp (339) (Foil) (INV) from Invasion, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Ron Spencer
Swamp (462) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sam White