Your search for "Plains 31" revealed the following:
Plains (312) (TRK) from Star Trek, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Shahab Alizadeh
Plains (031) (SLP) from Secret Lair Promo, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: John Avon
Plains (318) (PIP) from Fallout, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Constantin Marin
Plains (318) (TRK) from Star Trek, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Leon Tukker
Plains (318) (Foil) (PIP) from Fallout, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Constantin Marin
Plains (317) (PIP) from Fallout, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Samuele Bandini
Plains (317) (TRK) from Star Trek, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Bastien Grivet
Plains (311) (MH3) from Modern Horizons 3, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Lius Lasahido
Plains (317) (Foil) (PIP) from Fallout, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Samuele Bandini
Plains (331) (ODY) from Odyssey, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Alan Pollack
Plains (311) (Foil) (MH3) from Modern Horizons 3, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Lius Lasahido
Plains (331) (6ED) from Classic Sixth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Tom Wänerstrand
Plains (318) (C14) from Commander 2014, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Avon
Plains (331) (Foil) (8ED) from Eighth Edition, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: John Avon
Plains (131) (BRB) from Battle Royale Box Set, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: He Jiancheng
Plains (319) (C14) from Commander 2014, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Véronique Meignaud
Plains (331) (INV) from Invasion, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Avon
Plains (315) (TMT) from Teenage Mutant Ninja Turtles, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sylvain Sarrailh
Plains (331) (Foil) (INV) from Invasion, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: John Avon
Plains (331) (Foil) (MMQ) from Mercadian Masques, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Terry Springer
Plains (331) (8ED) from Eighth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Avon
Plains (312) (Foil) (TRK) from Star Trek, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Shahab Alizadeh
Plains (331) (Foil) (ONS) from Onslaught, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Rob Alexander
Plains (331) (USG) from Urza's Saga, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Rob Alexander Card Text:T: Add W to your mana pool.
Plains (310) (MH3) from Modern Horizons 3, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Volkan Baǵa
Plains (310) (Foil) (MH3) from Modern Horizons 3, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Volkan Baǵa
Plains (231) (M13) from Magic 2013, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Noah Bradley
Plains (bh331) (WC98) (Brian Hacker) from World Championship Decks 1998, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Terese Nielsen Card Text:WNot a Tournament Legal card.
Plains - Borderless (Foil) (REX) from Jurassic World Collection, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Véronique Meignaud
Plains (133) (PCA) from Planechase Anthology, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Avon
Plains (331) (ONS) from Onslaught, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Rob Alexander
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 (331) (Foil) (9ED) from Ninth Edition, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: John Avon
Plains (130) (BRB) from Battle Royale Box Set, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: He Jiancheng
Plains (030) (BRC) from The Brothers' War Commander, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jorge Jacinto
Plains (135) (PCA) from Planechase Anthology, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jung Park
Plains (331) (Foil) (ODY) from Odyssey, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Alan Pollack
Plains (101) (Foil) (ACR) from Assassin's Creed, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Bruce Brenneise
Plains (331) (MIR) from Mirage, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Tom Wänerstrand Card Text:T: Add W to your mana pool.
Plains (331) (MMQ) from Mercadian Masques, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Terry Springer
Plains (301) (CMD) from Commander 2011, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Michael Komarck
Plains (030) - Art Series (Gold-Stamped Signature) (ATDM) from Tarkir: Dragonstorm Art Series, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Sergey Glushakov
Plains (331) (9ED) from Ninth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: John Avon
Plains (199) (POR) from Portal, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Douglas Shuler
Plains (251) (ISD) from Innistrad, 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 - 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 (307) (TRK) from Star Trek, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Paulius Daščioras
Plains (340) (C13) from Commander 2013, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Andreas Rocha
Plains (231) (Foil) (AVR) from Avacyn Restored, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Jung Park