The Ancient Plane of Wonder

The Ancient Plane of Wonder comes onto to the battlefield tapped.
{t}, Add, {w}{w}, {u}{u}, {b}{b}, {r}{r}, {g}{g} or {c}{2} to your mana pool.
{w},{u},{b},{r},{g},{x},{t}, You gain X life.
"The planes are finally reawakened! And a new life awakens with it!" Bionnessa, Goddess of Life.