Hoku, Cosmos Crafter

Whenever you cast another spell,
if that spell is one or more colors, scry 1,
if that spell is two or more colors, draw a card,
if that spell is three or more colors,
create a 4/4 white angel creature token with flying,
if that spell is four or more colors,
destroy target permanent,
if the spell is five colors,
gain control of target permanent.