Enchant Plains

: Until end of turn, enchanted Plains becomes a 2/5 white Spirit creature with "Whenever this creature deals damage, its controller gains that much life." It's still a land.

When enchanted Plains is put into a graveyard, you may return Genju of the Fields from your graveyard to your hand.

You gain 4 life. Then if an opponent has more life than you, return Pulse of the Fields to its owner's hand.