Xira, Overdark's Assassin

Flying
{b}{r}{g}, {t}: Create a legendary black, red, and green enchantment Aura token named Xira's Offspring attached to target creature an opponent controls. It has "Enchanted creature attacks each combat if able" and "when enchanted creature dies, create a legendary 3/2 black, red, and green Insect creature token with flying named Xira's Offspring."