Oru, Joda and Sun

+2: Create a 2/2 white, blue and red Disciple creature token.
-1: Sacrifice any number of Disciples, then destroy up to half as many target creatures, rounded up.
-7: Create a token named Oru, a token named Joda and a token named Sun. Each of these tokens is a 5/5 white, blue and red Legendary Creature token.