The Unicorn's Forest

{t}: Add {g} or {w}.
{g}, {t}: Create a 1/1 green Squirrel token.
{g}{g}, {t}: Create a 2/2 green Deer token.
{g/w}{g/w}{g/w}{g/w}, {t}: Sacrifice The Unicorn's
Forest. You may cast target Unicorn creature spell from your hand without
paying it's mana cost.