Eladroze, the One True Eldrazi

Eladroze may not be put into your library.
When Eladroze enters the battlefield, exile all other Eldrazi.
Other Eldrazi may not enter the battlefield.
Indestructible, trample, annihilator 15.
If Eladroze exits the battlefield, shuffle your graveyard, exile zone and hand into your library, then draw 7 cards.
Eladroze, last of his kind, consumed entire planes for more than just nourishment, but what appeared to be amusement as w