Morophon, the Boundless
{7}
Legendary Creature -- Shapeshifter
6/6
Changeling (~this~ is every creature type.)
As ~this~ enters, choose a creature type.
Spells of the chosen type you cast cost {W}{U}{B}{R}{G} less to cast. This effect reduces only the amount of colored mana you pay.
Other creatures you control of the chosen type get +1/+1.