Hanzo, Arrow of the Shimada

Whenever a creature an opponent controls is dealt damage by Hanzo, destroy that creature and put a charge counter on Hanzo.
{w}{w}{u}{u},{t}: Remove six charge counters from Hanzo. Put a white 9/9 Dragon Spirit token, and
a blue 9/9 Dragon Spirit token onto the battlefield tapped and attacking. Exile those tokens during the next end step.
"My aim is true."