Your search for "Forest 378" revealed the following:
Forest (378) (BLB) from Bloomburrow, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Donato Giancola
Forest (378) (4ED) from Fourth Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Christopher Rush Card Text:T: Add G to your mana pool.
Forest (378) (Foil) (BLB) from Bloomburrow, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Donato Giancola
Mountain (378) (CST) from Coldsnap Theme Decks, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Tom Wänerstrand
Swamp (378) (2XM) from Double Masters, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Noah Bradley
Eevee (Japanese) - 378/SM-P - Promo from SM-P: Sun & Moon Promos, available at 401 Games Canada. Rarity: Promo Finish: Holofoil Artist: Atsuko Nishida Card Text:[Colorless] Gnaw (20)
Silvy of the White Forest - OP28-EN005 - Super Rare from OTS Tournament Pack 28, available at 401 Games Canada. Rarity: Super Rare Card Text:If this card is Normal or Special Summoned: You can add 1 "White Forest" Spell/Trap from...