G, President Of The World

G, President Of The World enters the battlefield
a +1/+1 counter for each color of mana spent to
cast it.
Whenever you cast a spell, if you spent
{w}{u}{b}{r}{g} or more to cast it, double the
number of +1/+1 counters on G, President Of
The World.
{g}{w}: Each player gains life equal to the number
of +1/+1 counters on G, President Of The World.