Your search for "swamp 347" revealed the following:
Swamp (043) (DKM) from Deckmasters, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Douglas Shuler
Swamp (134) (BRB) from Battle Royale Box Set, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Avon
Swamp - Full Art (282) (BRO) from The Brothers' War, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sergey Glushakov
Swamp (340) (6ED) from Classic Sixth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dan Frazier
Swamp (1952) - Marvel's Spider-Man: Mana Symbiote (Raised Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Pedro Potier Card Text: Marvel's Spider-Man: Mana Symbiote
Swamp (326) (C14) from Commander 2014, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Avon
Swamp (015) (PALP) from Asia Pacific Land Program, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Ron Spears Card Text:T: Add B to your mana pool.
Swamp (274) (OTJ) from Outlaws of Thunder Junction, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Salvatorre Zee Yazzie
Swamp (346) (Foil) (7ED) from Seventh Edition, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: D. J. Cleland-Hura
Swamp (294) (LEB) from Limited Edition Beta, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dan Frazier Card Text:Tap to add B to your mana pool.
Swamp (bs340) (WC98) (Brian Selden) from World Championship Decks 1998, 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 (301) (CMA) from Commander Anthology, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jung Park
Swamp (162) (S99) from Starter 1999, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Romas Kukalis Card Text:B
Swamp (296) (LEB) from Limited Edition Beta, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dan Frazier Card Text:Tap to add B to your mana pool.
Swamp (290) (LEA) from Limited Edition Alpha, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dan Frazier
Swamp (044) (DKM) from Deckmasters, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Douglas Shuler
Swamp (587) - Retro Frame (30A) from 30th Anniversary Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dan Frazier Card Text:This version of this card has a non-standard Magic back. It is not legal for constructed play....
Swamp (294) (CEI) from Intl. Collectors’ Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dan Frazier Card Text:(This card has square corners and a gold bordered back. Not tournament legal.)Tap to add B to your mana pool....
Swamp (155) (HOP) from Planechase, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mark Tedin
Swamp (003) - Arena League Promo 2003 (PAL03) from Arena League 2003, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Rob Alexander
Swamp (295) (CEI) from Intl. Collectors’ Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dan Frazier Card Text:(This card has square corners and a gold bordered back. Not tournament legal.)Tap to add B to your mana pool....
Swamp (033) (Foil) (SLP) from Secret Lair Promo, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: John Avon
Swamp (010) (PALP) from Asia Pacific Land Program, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Ron Spears Card Text:T: Add B to your mana pool.
Swamp (417) - Shades Not Included (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Ben Schnuck Card Text: Shades Not Included
Swamp (441) (5ED) from Fifth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Andrew Robinson Card Text:T: Add B to your mana pool.
Swamp (394) - 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
Swamp (033) (SLP) from Secret Lair Promo, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: John Avon
Swamp (005) (PALP) from Asia Pacific Land Program, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Edward P. Beard, Jr. Card Text:T: Add B to your mana pool.
SwampCard Type: BasicCard Text: (: Add .)Artist: Adam Paquette
Swamp (015) (PELP) from European Land Program, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mike Ploog
Swamp (009) - Arena League Promo 1999 (Foil) (PAL99) from Arena League 1999, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: John Avon Card Text:T: Add B to your mana pool.
Swamp (296) (CEI) from Intl. Collectors’ Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dan Frazier Card Text:(This card has square corners and a gold bordered back. Not tournament legal.)Tap to add B to your mana pool....
Swamp (291) (LEA) from Limited Edition Alpha, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dan Frazier
Swamp (1470) - Pixel Lands 02.jpg (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Jubilee Card Text: Pixel Lands 02.jpg