Lifeweaver, Light Healer

You may activate these abilities once per turn
{1}{g}: Target creature gains flying until end of
turn
{2}{w}{g}: If a creature you control would die,
instead exile it and return to the battlefield under
its owners controls at the next end step
{7}{w}{g}: Create a 0/10 Legendary artifact creature
named Tree of Life with 'creatures you control
gain +0/+4, tree of life can block any number of creatures.' This cost cannot be reduced