Drizz, The Trader

{u}{r}{g}, {t}, Name a nonland non-supertype permanent type you control: Exchange all
permanents of the chosen type with target player.
{u}{r}{g}, {t}, Name a nonland non-supertype permanent type you control: All permanents of
that type you control become a new chosen type.
Creatures you control loose changeling
and cannot have changeling.