War Machine - Iron Patriot

Flying , Triple Strike , Trample , Indestructible .
Put a +5/+5 counter on this creature for each artifact you control.
{t} Tap target creature, this creature can't be untap.
{t} Put a +6/+6 counter and Trample on target creature .
{1} Put a -4/-4 on each creature you don't control .