Rites of the Watercraft

Whenever you cast a blue, noncreature spell, choose one: Place a 4/2 blue Rhinoceros illusion creature token onto the battlefield; or place a 3/3 blue Stallion illusion creature token onto the battlefield; or place a 2/4 blue Stag illusion creature token onto the battlefield.
{2}{u}{u}{u}: For each token you control, place a
1/1 blue Bird illusion creature token.