Watcher Eye Vile

{5}{b}{r}{g}: Monstrosity 10.
When Watcher Eye Vile enters the battlefield,
scry X, where X is the number of Viles you
control plus one.
When Watcher Eye Vile becomes monstrous,
it gains trample and menace. Scry 7 and reveal
any number of Vile cards from the top of your
library. Put those cards onto the battlefield
tapped and attacking.