Elowen, The Awakener

Terramorph {5}{g}{g}{g} (You may play this as a
tapped face down land with {t}: Add {g}. Turn it face
up for its terramorph cost. Terramorph only as sorcery. Playing this as a land counts as your land drop for the
turn.)
{t}: Target land becomes a 4/6 creature until
end of turn. It's still a land.
Face down lands you control gain: {t}: Add {g}{g}.