Tamiyo, Master of Moons

+1: Target nonland permanent loses all card types and abilities becomes a colourless token land called moon.
-2: Target land becomes a land token called moon, loses all abilities and produces colourless mana if it would produce any other colour.
-8: Exile all other nonland permanents, then create a 20/20 colourless token creature called moon with defender, hexproof, indestructable and flying.