 An alliance with the Tleilaxu, the only remaining source of melange, would be essential after such a scenario.Taraza then considers a secondary plan of seeding other planets with sandworms with the help of the "sandrider" — a girl named Sheeana who has the power to control the worms.But when the Honored Matres finally attack Rakis, Taraza is killed with the first attack, cut down by lasguns.