Drider Nest

Drider Nest enters the battlefield tapped unless
you control three or more token creatures.
{t}: Add {b} or {g}
{1}, {t}: Add {b}{b}, {b}{g}, or {g}{g}
{3}, {t}: Create two 1/1 black spider creature
tokens or one 2/2 black and green drider
creature token with reach.