The Winged Dragon Of Ra

Flying, Trample, Vigilance
Protection from non combat damage.
As an additional cost to cast this spell sacrafice 3 creatures and pay x life.
The Winged Dragon Of Ra's power and
toughness are each equal to the amount
of life you paid.
Pay 1 life: Put a +1/+1 counter on this creature.
Pay 10 life: Destroy target creature an opponet controls.