Nxii, God of the Arcane

Nxii is indestructible.
As long as your devotion to Blue, Black, and Green is less than nine, Nxii isn't a creature.
During each of your turns, you may play one card from your deck or graveyard, and if you do, you skip your next turn.
{u}{b}{g}{t}: Target one card in your graveyard or exile, this turn you may play that card for only its colored mana cost.