Leaf Behemoth

{t}, Pay 1 life, Sacrifice Leaf Behemoth: Search
your library for a nonlegendary land card, put it
onto the battlefield, then shuffle your library.
{t}: Add {c}.
{4}: Until end of turn, Leaf Behemoth becomes
a 3/4 green and white Elemental creature with
flying and vigilance. It's still a land.