10 Creatures!
Hog, Melee Ghoul, Dragon, Being, Dark Thief, PurPur Disguiser, Goat, Silent Deathly, PyroManiac, And a Bug!
You'll receive a Sign, Which you have to click which summons a Command Block. Activate That and BOOM, There you go!
http://www.mctoolbox.me/colors/ <---My Helper!