Arachnia, King of Spiders

Reach, Deathtouch
Arachnia, King of Spiders can block up to eight creatures per turn
Creatures your opponents control with flying
can't attack or block
{t}{x}: Create X 1/1 spiders with reach and deathtouch where X is your life total
Arachnids you control (spiders, scorpions, mites)
get +3/+3 and have reach
Planeswalkers, ohh what a tasty treat