Your search for "Mountain 418" revealed the following:
Mountain (418) - 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
Mountain (418) - 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