Menat, the Harmonizing Harp

{t},Target creature you control gains changeling (Creatures with changeling have all creature types)

Harmonize 5 - {w}{u}{b}{r}{g}{ut}, Declare a creature
type, draw a card for each creature you control of the
same type

"Then Diah played the Holy Harp made of her own
spark, and the plane was transformed into Symphonia"
Excerpt from "Symphonia History 101"