DA'AT, THE EMPTINESS

Phasing Hexproof Indestructible
Da'at the Emptiness can't be exiled by spells.
Da'at the Emptiness can only be cast using basic lands. If Da'at the Emptiness would enter the battlefield and {w}{u}{b}{r}{g} was not spent to cast him, exile him instead.
{0}: Remove another card from the game. This card is no longer considered to exist. All cards removed this way stay removed.
Da'at the Emptiness can't attack or block.
He brings only silence and emptiness