Elysian Fields

If Elysian Fields would leave the battlefield,
exile it and return it to the battlefield instead.
{t}: Add {w}{w}, and you gain 2 life. This mana
may only be used to cast non-creature spells.
{t}: Add {g}{g}, and you gain 2 life. This mana
may only be used to cast creature spells.
"Will I ever get to see Heaven?..."
-- Light Yagami