Your search for "Mountain 375" revealed the following:
Mountain (375) (Foil) (BLB) from Bloomburrow, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Samuele Bandini
Mountain (375) (BLB) from Bloomburrow, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Samuele Bandini
Mountain (376) (BLB) from Bloomburrow, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Adam Paquette
Mountain (375) (4ED) from Fourth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Douglas Shuler Card Text:T: Add R to your mana pool.