Your search for "Plains 284" revealed the following:
Plains (284) (Foil) (NEO) from Kamigawa: Neon Dynasty, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Adam Paquette Card Text:T: Add W.
Plains (284) (TSP) from Time Spiral, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Justin Sweet
Plains (284) (Foil) (TSP) from Time Spiral, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Justin Sweet
Plains (284) (SOI) from Shadows over Innistrad, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Adam Paquette
Plains (284) (NEO) from Kamigawa: Neon Dynasty, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Adam Paquette Card Text:T: Add W.
Plains (284) (Foil) (SHM) from Shadowmoor, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Dave Kendall
Plains (284) (LRW) from Lorwyn, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Larry MacDougall
Plains (284) (SHM) from Shadowmoor, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dave Kendall
Plains (281) (FRA) from Reality Fracture, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Luc Courtois
Plains (284) (30A) from 30th Anniversary Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jesper Myrfors Card Text:This version of this card has a non-standard Magic back. It is not legal for constructed play.
Plains (284) (CM2) from Commander Anthology Volume II, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Andreas Rocha
Plains (284) (Foil) (LRW) from Lorwyn, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Larry MacDougall
Plateau (3ED) from Revised Edition, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Cornelius Brudi Card Text:T: Add either R or W to your mana pool.Counts as both mountains and plains and is affected by spells that affect...