Verdant Haven is a common Enchantment — Aura card from Magic 2015 (M15), collector number 206. Current market price: $0.05 (foil $0.44), TCGplayer market prices via Scryfall.
Enchant land When this Aura enters, you gain 2 life. Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.