Nik, Eternity Chameleon

Changeling
Pay 1 of a color: Nik, Eternity Chameleon
becomes a monocolored creature of your choice
that is that color except it is named Nik, Eternity Chameleon, is a Shapeshifter, has Changeling,
this ability, and the following abilities.
Miracle {c}
When Nik, Eternity Chameleon leaves the battlefield, you may exile them and cast them for
their miracle cost.