Realmwalker 188 (The List Reprints)

Changeling (This card is every creature type.) As this creature enters, choose a creature type. You may look at the top card of your library any time. You may cast creature spells of the chosen type from the top of your library.

NM - $5.20
LP - $4.20
MP - $3.10
HP - $2.10
DMG - $1.50