Realmwalker 250 (Commander: The Lost Caverns of Ixalan)

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 - $3.30
LP - $2.70
MP - $2.00
HP - $1.50
DMG - $1.50