Your search for "plains 540" revealed the following:
Plains (540) - Jumpstart Lands (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Jedd Chevrier Card Text: Foil Jumpstart LandsW
Plains (004) (PALP) from Asia Pacific Land Program, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Ron Spears Card Text:T: Add W to your mana pool.