Your search for "plains 45" revealed the following:
Plains (454) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Emmanuel Shiu
Plains (452) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Leanna Crossan
Plains (454) (Foil) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Emmanuel Shiu
Plains (453) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Titus Lunter
Plains (451) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Bruce Brenneise
Plains (451) (Foil) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Bruce Brenneise
Plains (453) (Foil) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Titus Lunter
Plains (452) (Foil) (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Leanna Crossan
Plains (045) (JMP) from Jumpstart, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Johannes Voss
Plains (251) (Foil) (M15) from Magic 2015, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Nils Hamm
Plains - Borderless (Foil) (REX) from Jurassic World Collection, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Véronique Meignaud
Plains (1945) - Flower Power (Rainbow Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Ashley Dreyfus Card Text: Flower Power
Plains (125) (BRB) from Battle Royale Box Set, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Pat Lewis
Plains (334) (6ED) from Classic Sixth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Fred Fields
Plains (145) (HOP) from Planechase, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dave Kendall
Plains (324) (C15) from Commander 2015, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Nils Hamm
Plains (415) - Shades Not Included (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Ben Schnuck Card Text: Shades Not Included
Plains (293) - Full Art (NEO) from Kamigawa: Neon Dynasty, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Amayagido Card Text:T: Add W.
Plains (415) - 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
Plains (251) (ISD) from Innistrad, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jung Park
Plains (030) (BRC) from The Brothers' War Commander, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jorge Jacinto
Plains (031) (SLP) from Secret Lair Promo, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: John Avon
Plains (1945) - Flower Power (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Ashley Dreyfus Card Text: Flower Power
Plains (545) - Jumpstart Lands (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Lius Lasahido Card Text: Foil Jumpstart Lands
Plains (135) (PCA) from Planechase Anthology, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jung Park
Plains (431) (5ED) from Fifth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Pat Lewis Card Text:T: Add W to your mana pool.
Plains (251) (M15) from Magic 2015, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Nils Hamm
Plains (430) (5ED) from Fifth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Pat Lewis Card Text:T: Add W to your mana pool.
Plains (337) (C16) from Commander 2016, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Rebecca Guay
Plains (340) (C13) from Commander 2013, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Andreas Rocha
Plains - Commander Deck (504) (CMR) from Commander Legends, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Noah Bradley
Plains (344) (Foil) (7ED) from Seventh Edition, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: John Avon
Plains (323) (C15) from Commander 2015, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Avon
Plains (325) (C15) from Commander 2015, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Howard Lyon
Plains (253) (ORI) from Magic Origins, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Michael Komarck
Plains - Borderless (REX) from Jurassic World Collection, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Véronique Meignaud
Plains (547) - Jumpstart Lands (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Johannes Voss Card Text: Foil Jumpstart Lands
Plains (326) (C15) from Commander 2015, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Andreas Rocha
Plains (254) - 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 Plains. Basic is its supertype, land is its card type, and Plains...
Plains - Avatar's Journey Full Art (292) (Foil) (TLA) from Avatar: The Last Airbender, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Maojin Lee
Plains (028) (DDC) from Duel Decks: Divine vs. Demonic, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Rob Alexander
Plains (481) (MH2) from Modern Horizons 2, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Eric Peterson
Plains (jk430) (WC97) (Janosch Kühn) from World Championship Decks 1997, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Pat Lewis Card Text:T: Add W to your mana pool.Not a Tournament Legal card.
Plains (334) (8ED) from Eighth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Fred Fields
Plains (jk433) (WC97) (Janosch Kühn) from World Championship Decks 1997, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Pat Lewis Card Text:T: Add W to your mana pool.Not a Tournament Legal card.
Plains (393) - 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
Plains (338) (C16) from Commander 2016, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mark Poole
Plains (331) (6ED) from Classic Sixth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Tom Wänerstrand
Plains (281) (FRA) from Reality Fracture, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Luc Courtois
Plains - Commander Deck (505) (CMR) from Commander Legends, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Tingting Yeh