Collectible Creatures with a Twist. Kuroba is a new way to play rock, paper, scissors! Select your play strategy and battle with your friends or train with your own practice cube! A one of a kind form of Frozacorn, Pinkcicle is the mythical origin Kuroba. From her horn she made the world and everything in it, including each of the Kuro Tribes, but has not been seen since the world fell out of Harmony. Magical horn glows and shoots rainbows in battle. Does not change form.