Verdant Haven is a common Enchantment — Aura card from Magic 2014 (M14), collector number 199. Current market price: $0.21 (foil $0.66), 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.