Raeja, The Banished

+2: You may exile a creature you control. If you do, you may cast a creature of equivalent or lesser converted mana cost for free this turn.
-X: Exile target nonland permanent with converted mana cost X or less.
-9: You get an emblem with "You may cast cards any player owns in exile, and you may spend mana as if it was mana of any colour to do so."