Galactus, Eater of Worlds

Flying, Indestructible
When Galactus, Eater of Worlds enters
the battlefield give each other creature
you control a +1/+1 counter.
At the begining of combat Galactus,
Eater of Worlds gets +X/+X, where
X is the number of creatures you control.
If Galactus, Eater of Worlds power is 10,
or greater he gain's trample.