Maldrix, Younger Brother

Changling (This card is every creature type.)
As Maldrix, Younger Brother enters the battlefield, 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.
{p/b}{p/g}{p/c}{t} Other creatures you control of chosen creature type get +0/+2