All Seeing-Eyes Spider

Reach, Deathtouch
{1}{b}{g}: Create 1 1/1 black and green spider creature token with reach and deathtouch.
All Seeing-Eyes Spider gains +1/+1 for each spider token you control.
When All Seeing-Eyes Spider dies, create {x} 1/1 black and green spider creature tokens where {x} is how many spiders you control, doubled.