Ride of the Rohirrim

Choose one, If you control your commander as
you cast this spell, you may choose both:
•For each creature attacking you, create a 3/3
green and white human knight creature token
with trample. You may choose to assign these creatures as blockers this combat.
•Put a +1/+1 counter on each creature you
control, those creatures gain indestructible until
end of turn.